The second sum of money is $7.5
The ratio of the sum is given as:
Ratio = 4 : 5
Represent the second sum of money with x.
So, we have:
4 : 5 = 6 : x
Express the ratio as a fraction
4/5 = 6/x
Make x the subject of formula
x = 6 * 5/4
Evaluate the product
x = 7.5
Hence, the second sum of money is $7.5
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