Home / 5,425.11-8,138.68-2,463.76

Finding the Fourth Proportional to 5,425.11, 8,138.68 and 2,463.76

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Solution

The fourth proportional to 5,425.11, 8,138.68 and 2,463.76 is: 3,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.11 : 8,138.68 = 2,463.76 : x
  2. Step 2: Convert to fraction form
    5,425.11/8,138.68 = 2,463.76/x
  3. Step 3: Cross multiply
    5,425.11x = 8,138.68 × 2,463.76
  4. Step 4: Simplify right side
    5,425.11x = 20,051,721.57
  5. Step 5: Solve for x
    x = 20,051,721.57/5,425.11
  6. Step 6: Final answer
    x = 3,696.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.