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Finding the Fourth Proportional to 5,879.88, 8,114.04 and 3,227.28

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Solution

The fourth proportional to 5,879.88, 8,114.04 and 3,227.28 is: 4,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.88 : 8,114.04 = 3,227.28 : x
  2. Step 2: Convert to fraction form
    5,879.88/8,114.04 = 3,227.28/x
  3. Step 3: Cross multiply
    5,879.88x = 8,114.04 × 3,227.28
  4. Step 4: Simplify right side
    5,879.88x = 26,186,279.01
  5. Step 5: Solve for x
    x = 26,186,279.01/5,879.88
  6. Step 6: Final answer
    x = 4,453.54

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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.