Home / 5,716.74-7,883.82-3,726.30

Finding the Fourth Proportional to 5,716.74, 7,883.82 and 3,726.30

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Solution

The fourth proportional to 5,716.74, 7,883.82 and 3,726.30 is: 5,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.74 : 7,883.82 = 3,726.30 : x
  2. Step 2: Convert to fraction form
    5,716.74/7,883.82 = 3,726.30/x
  3. Step 3: Cross multiply
    5,716.74x = 7,883.82 × 3,726.30
  4. Step 4: Simplify right side
    5,716.74x = 29,377,478.47
  5. Step 5: Solve for x
    x = 29,377,478.47/5,716.74
  6. Step 6: Final answer
    x = 5,138.85

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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.