Respuesta :

Answer:

4/5

Step-by-step explanation:

fourth proportional of 1 , 2 , 3

1/2 = 3/d

d = 6

fourth proportional of 4 , 5 , 6

4/5 = 6/d'

d' = 15/2

ratio of d and d'  d: d' = 6 : 15/2 = 4/5

lhmarianateixeira

In this exercise we have to use the knowledge of proportionality to calculate these values:

4/5

Knowing that proportionality is given by:

  • proportion, In arithmetic, equality middle from two points two relation of part to whole. The term proportionality writing some friendship that is forever fashionable the alike ratio.

With these information returned to the exercise, we have:

find the fourth proportional:

[tex]1/2 = 3/d\\d = 6[/tex]

find the fourth proportional:

[tex]4/5 = 6/d'\\d' = 15/2[/tex]

ratio of d and d'  will be equal to:

[tex]d' = 6 : 15/2 = 4/5[/tex]

see more about proportionality at brainly.com/question/795909

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