Home / 5,174.32-7,760.08-2,251.96

Finding the Fourth Proportional to 5,174.32, 7,760.08 and 2,251.96

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Solution

The fourth proportional to 5,174.32, 7,760.08 and 2,251.96 is: 3,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.32 : 7,760.08 = 2,251.96 : x
  2. Step 2: Convert to fraction form
    5,174.32/7,760.08 = 2,251.96/x
  3. Step 3: Cross multiply
    5,174.32x = 7,760.08 × 2,251.96
  4. Step 4: Simplify right side
    5,174.32x = 17,475,389.76
  5. Step 5: Solve for x
    x = 17,475,389.76/5,174.32
  6. Step 6: Final answer
    x = 3,377.33

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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.