Home / 5,174.35-7,763.55-2,981.88

Finding the Fourth Proportional to 5,174.35, 7,763.55 and 2,981.88

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Solution

The fourth proportional to 5,174.35, 7,763.55 and 2,981.88 is: 4,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.35 : 7,763.55 = 2,981.88 : x
  2. Step 2: Convert to fraction form
    5,174.35/7,763.55 = 2,981.88/x
  3. Step 3: Cross multiply
    5,174.35x = 7,763.55 × 2,981.88
  4. Step 4: Simplify right side
    5,174.35x = 23,149,963.29
  5. Step 5: Solve for x
    x = 23,149,963.29/5,174.35
  6. Step 6: Final answer
    x = 4,473.99

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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.