Home / 5,387.66-8,081.47-2,463.92

Finding the Fourth Proportional to 5,387.66, 8,081.47 and 2,463.92

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Solution

The fourth proportional to 5,387.66, 8,081.47 and 2,463.92 is: 3,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.66 : 8,081.47 = 2,463.92 : x
  2. Step 2: Convert to fraction form
    5,387.66/8,081.47 = 2,463.92/x
  3. Step 3: Cross multiply
    5,387.66x = 8,081.47 × 2,463.92
  4. Step 4: Simplify right side
    5,387.66x = 19,912,095.56
  5. Step 5: Solve for x
    x = 19,912,095.56/5,387.66
  6. Step 6: Final answer
    x = 3,695.87

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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.