Question

Check weather 4,30,2,15 are in proportion or not

Answer 1

Answer:

to check whether x:y::a:b

if x×b=y×a

then the numbers are in proportion

x=4 , y=30 , a=2 ,b=15

x×b=y×a

4×15=2×30

60 = 60

they are in proportion

hope it helps you

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