Finding the Fourth Proportional to 995.72, 1,374 and 576
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Solution
The fourth proportional to 995.72, 1,374 and 576 is: 794.83
Step by Step Solution
- Step 1: Write the proportion equation
995.72 : 1,374 = 576 : x - Step 2: Convert to fraction form
995.72/1,374 = 576/x - Step 3: Cross multiply
995.72x = 1,374 × 576 - Step 4: Simplify right side
995.72x = 791,424 - Step 5: Solve for x
x = 791,424/995.72 - Step 6: Final answer
x = 794.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.