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Finding the Fourth Proportional to 3,995.74, 5,514.24 and 2,227.24

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Solution

The fourth proportional to 3,995.74, 5,514.24 and 2,227.24 is: 3,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.74 : 5,514.24 = 2,227.24 : x
  2. Step 2: Convert to fraction form
    3,995.74/5,514.24 = 2,227.24/x
  3. Step 3: Cross multiply
    3,995.74x = 5,514.24 × 2,227.24
  4. Step 4: Simplify right side
    3,995.74x = 12,281,535.90
  5. Step 5: Solve for x
    x = 12,281,535.90/3,995.74
  6. Step 6: Final answer
    x = 3,073.66

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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.