Home / 4,982.43-6,876.38-3,219.15

Finding the Fourth Proportional to 4,982.43, 6,876.38 and 3,219.15

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Solution

The fourth proportional to 4,982.43, 6,876.38 and 3,219.15 is: 4,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.43 : 6,876.38 = 3,219.15 : x
  2. Step 2: Convert to fraction form
    4,982.43/6,876.38 = 3,219.15/x
  3. Step 3: Cross multiply
    4,982.43x = 6,876.38 × 3,219.15
  4. Step 4: Simplify right side
    4,982.43x = 22,136,082.58
  5. Step 5: Solve for x
    x = 22,136,082.58/4,982.43
  6. Step 6: Final answer
    x = 4,442.83

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1.5x scale

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.