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Finding the Fourth Proportional to 5,879.25, 8,113.14 and 3,520.92

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Solution

The fourth proportional to 5,879.25, 8,113.14 and 3,520.92 is: 4,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.25 : 8,113.14 = 3,520.92 : x
  2. Step 2: Convert to fraction form
    5,879.25/8,113.14 = 3,520.92/x
  3. Step 3: Cross multiply
    5,879.25x = 8,113.14 × 3,520.92
  4. Step 4: Simplify right side
    5,879.25x = 28,565,716.89
  5. Step 5: Solve for x
    x = 28,565,716.89/5,879.25
  6. Step 6: Final answer
    x = 4,858.73

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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.