Question

a fraction of the same ratio to 1 / 9 as 3 / 7 is to 5 / 4. what is the fraction?

Answer 1

hyy friend here is ur answer
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Let the fraction be (x/y). As per the
statement
(x/y):(1/9)::(3/7):(5/4).
The product of the ends = the
product of the means. Hence
(x/y)(5/4) = (1/9)(3/7), or
(x/y) = (4/5)(1/9)(3/7) = 12/315 =
4/105
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