Home / 5,240.61-7,232.13-2,882.97

Finding the Fourth Proportional to 5,240.61, 7,232.13 and 2,882.97

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Solution

The fourth proportional to 5,240.61, 7,232.13 and 2,882.97 is: 3,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.61 : 7,232.13 = 2,882.97 : x
  2. Step 2: Convert to fraction form
    5,240.61/7,232.13 = 2,882.97/x
  3. Step 3: Cross multiply
    5,240.61x = 7,232.13 × 2,882.97
  4. Step 4: Simplify right side
    5,240.61x = 20,850,013.83
  5. Step 5: Solve for x
    x = 20,850,013.83/5,240.61
  6. Step 6: Final answer
    x = 3,978.55

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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.