Home / 3,349.92-5,021.22-2,861.48

Finding the Fourth Proportional to 3,349.92, 5,021.22 and 2,861.48

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Solution

The fourth proportional to 3,349.92, 5,021.22 and 2,861.48 is: 4,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.92 : 5,021.22 = 2,861.48 : x
  2. Step 2: Convert to fraction form
    3,349.92/5,021.22 = 2,861.48/x
  3. Step 3: Cross multiply
    3,349.92x = 5,021.22 × 2,861.48
  4. Step 4: Simplify right side
    3,349.92x = 14,368,120.61
  5. Step 5: Solve for x
    x = 14,368,120.61/3,349.92
  6. Step 6: Final answer
    x = 4,289.09

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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.