Home / 6,283.72-9,423.15-2,122.61

Finding the Fourth Proportional to 6,283.72, 9,423.15 and 2,122.61

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Solution

The fourth proportional to 6,283.72, 9,423.15 and 2,122.61 is: 3,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.72 : 9,423.15 = 2,122.61 : x
  2. Step 2: Convert to fraction form
    6,283.72/9,423.15 = 2,122.61/x
  3. Step 3: Cross multiply
    6,283.72x = 9,423.15 × 2,122.61
  4. Step 4: Simplify right side
    6,283.72x = 20,001,672.42
  5. Step 5: Solve for x
    x = 20,001,672.42/6,283.72
  6. Step 6: Final answer
    x = 3,183.09

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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.