Home / 5,239.92-7,231.13-2,882.10

Finding the Fourth Proportional to 5,239.92, 7,231.13 and 2,882.10

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Solution

The fourth proportional to 5,239.92, 7,231.13 and 2,882.10 is: 3,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.92 : 7,231.13 = 2,882.10 : x
  2. Step 2: Convert to fraction form
    5,239.92/7,231.13 = 2,882.10/x
  3. Step 3: Cross multiply
    5,239.92x = 7,231.13 × 2,882.10
  4. Step 4: Simplify right side
    5,239.92x = 20,840,839.77
  5. Step 5: Solve for x
    x = 20,840,839.77/5,239.92
  6. Step 6: Final answer
    x = 3,977.32

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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.