Question

If a, b, c, d are in proportion and a =4, b = 8, c = 5 then find the value of d.​

Answer 1

Answer:

10

Step-by-step explanation:

GIVEN

a,b,c,d are in proportion and a=4,b=8,c=5

TO FIND

Value of d

SOLUTION

Since a,b,c,d are in proportion

then,we can write as

or, a/b=c/d

or, 4/8=5/d

or, 4×d=5×8

or, 4d=40

therefore d=10

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