Home / 3,790.57-5,229.20-2,463.79

Finding the Fourth Proportional to 3,790.57, 5,229.20 and 2,463.79

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Solution

The fourth proportional to 3,790.57, 5,229.20 and 2,463.79 is: 3,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.57 : 5,229.20 = 2,463.79 : x
  2. Step 2: Convert to fraction form
    3,790.57/5,229.20 = 2,463.79/x
  3. Step 3: Cross multiply
    3,790.57x = 5,229.20 × 2,463.79
  4. Step 4: Simplify right side
    3,790.57x = 12,883,639.70
  5. Step 5: Solve for x
    x = 12,883,639.70/3,790.57
  6. Step 6: Final answer
    x = 3,398.87

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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.