Home / 5,726.80-7,904.28-3,733.90

Finding the Fourth Proportional to 5,726.80, 7,904.28 and 3,733.90

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Solution

The fourth proportional to 5,726.80, 7,904.28 and 3,733.90 is: 5,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.80 : 7,904.28 = 3,733.90 : x
  2. Step 2: Convert to fraction form
    5,726.80/7,904.28 = 3,733.90/x
  3. Step 3: Cross multiply
    5,726.80x = 7,904.28 × 3,733.90
  4. Step 4: Simplify right side
    5,726.80x = 29,513,791.09
  5. Step 5: Solve for x
    x = 29,513,791.09/5,726.80
  6. Step 6: Final answer
    x = 5,153.63

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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.