Home / 5,169.24-7,754.38-1,658.36

Finding the Fourth Proportional to 5,169.24, 7,754.38 and 1,658.36

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Solution

The fourth proportional to 5,169.24, 7,754.38 and 1,658.36 is: 2,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.24 : 7,754.38 = 1,658.36 : x
  2. Step 2: Convert to fraction form
    5,169.24/7,754.38 = 1,658.36/x
  3. Step 3: Cross multiply
    5,169.24x = 7,754.38 × 1,658.36
  4. Step 4: Simplify right side
    5,169.24x = 12,859,553.62
  5. Step 5: Solve for x
    x = 12,859,553.62/5,169.24
  6. Step 6: Final answer
    x = 2,487.71

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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.