Home / 4,129.72-5,698.11-2,451.73

Finding the Fourth Proportional to 4,129.72, 5,698.11 and 2,451.73

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Solution

The fourth proportional to 4,129.72, 5,698.11 and 2,451.73 is: 3,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.72 : 5,698.11 = 2,451.73 : x
  2. Step 2: Convert to fraction form
    4,129.72/5,698.11 = 2,451.73/x
  3. Step 3: Cross multiply
    4,129.72x = 5,698.11 × 2,451.73
  4. Step 4: Simplify right side
    4,129.72x = 13,970,227.23
  5. Step 5: Solve for x
    x = 13,970,227.23/4,129.72
  6. Step 6: Final answer
    x = 3,382.85

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Half scale
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Double scale
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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.