Home / 5,105.01-7,044.87-2,866.92

Finding the Fourth Proportional to 5,105.01, 7,044.87 and 2,866.92

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Solution

The fourth proportional to 5,105.01, 7,044.87 and 2,866.92 is: 3,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.01 : 7,044.87 = 2,866.92 : x
  2. Step 2: Convert to fraction form
    5,105.01/7,044.87 = 2,866.92/x
  3. Step 3: Cross multiply
    5,105.01x = 7,044.87 × 2,866.92
  4. Step 4: Simplify right side
    5,105.01x = 20,197,078.70
  5. Step 5: Solve for x
    x = 20,197,078.70/5,105.01
  6. Step 6: Final answer
    x = 3,956.33

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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.