Home / 4,093.92-6,139.46-2,861.90

Finding the Fourth Proportional to 4,093.92, 6,139.46 and 2,861.90

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Solution

The fourth proportional to 4,093.92, 6,139.46 and 2,861.90 is: 4,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.92 : 6,139.46 = 2,861.90 : x
  2. Step 2: Convert to fraction form
    4,093.92/6,139.46 = 2,861.90/x
  3. Step 3: Cross multiply
    4,093.92x = 6,139.46 × 2,861.90
  4. Step 4: Simplify right side
    4,093.92x = 17,570,520.57
  5. Step 5: Solve for x
    x = 17,570,520.57/4,093.92
  6. Step 6: Final answer
    x = 4,291.86

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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.