answersLogoWhite

0

If you cross-multiply and you obtain an equality, then the proportion is true.

Example:

2/3 = 20/30 ? cross-multiply;

2 x 30 = 3 x 20 ?

60 = 60

Since we have an equality, the proportion is true.

User Avatar

Wiki User

16y ago

Still curious? Ask our experts.

Chat with our AI personalities

EzraEzra
Faith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan

Add your answer:

Earn +20 pts
Q: How can you tell if a proportion is true?
Write your answer...
Submit
Still have questions?
magnify glass
imp