Home / 7,519.70-10,375.49-5,726.77

Finding the Fourth Proportional to 7,519.70, 10,375.49 and 5,726.77

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Solution

The fourth proportional to 7,519.70, 10,375.49 and 5,726.77 is: 7,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.70 : 10,375.49 = 5,726.77 : x
  2. Step 2: Convert to fraction form
    7,519.70/10,375.49 = 5,726.77/x
  3. Step 3: Cross multiply
    7,519.70x = 10,375.49 × 5,726.77
  4. Step 4: Simplify right side
    7,519.70x = 59,418,033.25
  5. Step 5: Solve for x
    x = 59,418,033.25/7,519.70
  6. Step 6: Final answer
    x = 7,901.65

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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.