Question

if 1/5:1/x :: 1/x:100/125,then find the value of x

plz tell the ans​

Answer 1

Step-by-step explanation:

the product of extremes is equal to the product of means

the answer is 25 / 2

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Answer 2

1/5 :1/x::1/x:100/25

Step1 -find the simplest form of ratio of 100/25

1/5:1/x::1/x:4/1

Step 2- now apply the rule product of extremes =product of means

1/5x4/1 =1 /xsquare

1/5x 4/1=(1/x)2

Step3 cancel the 2and 4

1/5x2/1=1/x

2/5=1/x

x=5/2 =2.5

answer =2.5 or 5/2