Home / 4,174.92-5,766.39-3,179.70

Finding the Fourth Proportional to 4,174.92, 5,766.39 and 3,179.70

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Solution

The fourth proportional to 4,174.92, 5,766.39 and 3,179.70 is: 4,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.92 : 5,766.39 = 3,179.70 : x
  2. Step 2: Convert to fraction form
    4,174.92/5,766.39 = 3,179.70/x
  3. Step 3: Cross multiply
    4,174.92x = 5,766.39 × 3,179.70
  4. Step 4: Simplify right side
    4,174.92x = 18,335,390.28
  5. Step 5: Solve for x
    x = 18,335,390.28/4,174.92
  6. Step 6: Final answer
    x = 4,391.79

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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.