Home / 4,972.13-6,859.01-3,791.15

Finding the Fourth Proportional to 4,972.13, 6,859.01 and 3,791.15

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Solution

The fourth proportional to 4,972.13, 6,859.01 and 3,791.15 is: 5,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.13 : 6,859.01 = 3,791.15 : x
  2. Step 2: Convert to fraction form
    4,972.13/6,859.01 = 3,791.15/x
  3. Step 3: Cross multiply
    4,972.13x = 6,859.01 × 3,791.15
  4. Step 4: Simplify right side
    4,972.13x = 26,003,535.76
  5. Step 5: Solve for x
    x = 26,003,535.76/4,972.13
  6. Step 6: Final answer
    x = 5,229.86

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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.