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Finding the Fourth Proportional to 5,879.79, 8,819.70 and 2,592.90

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Solution

The fourth proportional to 5,879.79, 8,819.70 and 2,592.90 is: 3,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.79 : 8,819.70 = 2,592.90 : x
  2. Step 2: Convert to fraction form
    5,879.79/8,819.70 = 2,592.90/x
  3. Step 3: Cross multiply
    5,879.79x = 8,819.70 × 2,592.90
  4. Step 4: Simplify right side
    5,879.79x = 22,868,600.13
  5. Step 5: Solve for x
    x = 22,868,600.13/5,879.79
  6. Step 6: Final answer
    x = 3,889.36

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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.