Home / 5,039.18-6,947.25-4,251.86

Finding the Fourth Proportional to 5,039.18, 6,947.25 and 4,251.86

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Solution

The fourth proportional to 5,039.18, 6,947.25 and 4,251.86 is: 5,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.18 : 6,947.25 = 4,251.86 : x
  2. Step 2: Convert to fraction form
    5,039.18/6,947.25 = 4,251.86/x
  3. Step 3: Cross multiply
    5,039.18x = 6,947.25 × 4,251.86
  4. Step 4: Simplify right side
    5,039.18x = 29,538,699.65
  5. Step 5: Solve for x
    x = 29,538,699.65/5,039.18
  6. Step 6: Final answer
    x = 5,861.81

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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.