Home / 4,149.87-5,726.72-2,286.75

Finding the Fourth Proportional to 4,149.87, 5,726.72 and 2,286.75

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Solution

The fourth proportional to 4,149.87, 5,726.72 and 2,286.75 is: 3,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.87 : 5,726.72 = 2,286.75 : x
  2. Step 2: Convert to fraction form
    4,149.87/5,726.72 = 2,286.75/x
  3. Step 3: Cross multiply
    4,149.87x = 5,726.72 × 2,286.75
  4. Step 4: Simplify right side
    4,149.87x = 13,095,565.53
  5. Step 5: Solve for x
    x = 13,095,565.53/4,149.87
  6. Step 6: Final answer
    x = 3,155.66

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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.