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Finding the Fourth Proportional to 6,379.15, 8,801.87 and 3,725.37

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Solution

The fourth proportional to 6,379.15, 8,801.87 and 3,725.37 is: 5,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.15 : 8,801.87 = 3,725.37 : x
  2. Step 2: Convert to fraction form
    6,379.15/8,801.87 = 3,725.37/x
  3. Step 3: Cross multiply
    6,379.15x = 8,801.87 × 3,725.37
  4. Step 4: Simplify right side
    6,379.15x = 32,790,159.81
  5. Step 5: Solve for x
    x = 32,790,159.81/6,379.15
  6. Step 6: Final answer
    x = 5,140.21

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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.