Finding the Fourth Proportional to 5,425,085.88, 7,486,511.58 and 3,070,240.05
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Solution
The fourth proportional to 5,425,085.88, 7,486,511.58 and 3,070,240.05 is: 4,236,870.75
Step by Step Solution
- Step 1: Write the proportion equation
5,425,085.88 : 7,486,511.58 = 3,070,240.05 : x - Step 2: Convert to fraction form
5,425,085.88/7,486,511.58 = 3,070,240.05/x - Step 3: Cross multiply
5,425,085.88x = 7,486,511.58 × 3,070,240.05 - Step 4: Simplify right side
5,425,085.88x = 22,985,387,687,704.78 - Step 5: Solve for x
x = 22,985,387,687,704.78/5,425,085.88 - Step 6: Final answer
x = 4,236,870.75
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1.5x scale
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.