Home / 5,174.97-7,138.42-3,756.99

Finding the Fourth Proportional to 5,174.97, 7,138.42 and 3,756.99

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Solution

The fourth proportional to 5,174.97, 7,138.42 and 3,756.99 is: 5,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.97 : 7,138.42 = 3,756.99 : x
  2. Step 2: Convert to fraction form
    5,174.97/7,138.42 = 3,756.99/x
  3. Step 3: Cross multiply
    5,174.97x = 7,138.42 × 3,756.99
  4. Step 4: Simplify right side
    5,174.97x = 26,818,972.56
  5. Step 5: Solve for x
    x = 26,818,972.56/5,174.97
  6. Step 6: Final answer
    x = 5,182.44

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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.