Finding the Fourth Proportional to 5,252,140.76, 7,253,932.95 and 3,530,271.92
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Solution
The fourth proportional to 5,252,140.76, 7,253,932.95 and 3,530,271.92 is: 4,875,793.88
Step by Step Solution
- Step 1: Write the proportion equation
5,252,140.76 : 7,253,932.95 = 3,530,271.92 : x - Step 2: Convert to fraction form
5,252,140.76/7,253,932.95 = 3,530,271.92/x - Step 3: Cross multiply
5,252,140.76x = 7,253,932.95 × 3,530,271.92 - Step 4: Simplify right side
5,252,140.76x = 25,608,355,766,678.10 - Step 5: Solve for x
x = 25,608,355,766,678.10/5,252,140.76 - Step 6: Final answer
x = 4,875,793.88
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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.