Home / 5,726.20-8,590.92-2,217.28

Finding the Fourth Proportional to 5,726.20, 8,590.92 and 2,217.28

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Solution

The fourth proportional to 5,726.20, 8,590.92 and 2,217.28 is: 3,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.20 : 8,590.92 = 2,217.28 : x
  2. Step 2: Convert to fraction form
    5,726.20/8,590.92 = 2,217.28/x
  3. Step 3: Cross multiply
    5,726.20x = 8,590.92 × 2,217.28
  4. Step 4: Simplify right side
    5,726.20x = 19,048,475.10
  5. Step 5: Solve for x
    x = 19,048,475.10/5,726.20
  6. Step 6: Final answer
    x = 3,326.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.