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Finding the Fourth Proportional to 5,257.44, 7,879.86 and 2,332.44

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Solution

The fourth proportional to 5,257.44, 7,879.86 and 2,332.44 is: 3,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.44 : 7,879.86 = 2,332.44 : x
  2. Step 2: Convert to fraction form
    5,257.44/7,879.86 = 2,332.44/x
  3. Step 3: Cross multiply
    5,257.44x = 7,879.86 × 2,332.44
  4. Step 4: Simplify right side
    5,257.44x = 18,379,300.66
  5. Step 5: Solve for x
    x = 18,379,300.66/5,257.44
  6. Step 6: Final answer
    x = 3,495.87

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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.