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Finding the Fourth Proportional to 3,879.16, 5,795.13 and 2,481.32

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Solution

The fourth proportional to 3,879.16, 5,795.13 and 2,481.32 is: 3,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.16 : 5,795.13 = 2,481.32 : x
  2. Step 2: Convert to fraction form
    3,879.16/5,795.13 = 2,481.32/x
  3. Step 3: Cross multiply
    3,879.16x = 5,795.13 × 2,481.32
  4. Step 4: Simplify right side
    3,879.16x = 14,379,571.97
  5. Step 5: Solve for x
    x = 14,379,571.97/3,879.16
  6. Step 6: Final answer
    x = 3,706.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.