Home / 3,049.38-4,549.01-2,721.42

Finding the Fourth Proportional to 3,049.38, 4,549.01 and 2,721.42

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Solution

The fourth proportional to 3,049.38, 4,549.01 and 2,721.42 is: 4,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.38 : 4,549.01 = 2,721.42 : x
  2. Step 2: Convert to fraction form
    3,049.38/4,549.01 = 2,721.42/x
  3. Step 3: Cross multiply
    3,049.38x = 4,549.01 × 2,721.42
  4. Step 4: Simplify right side
    3,049.38x = 12,379,753.19
  5. Step 5: Solve for x
    x = 12,379,753.19/3,049.38
  6. Step 6: Final answer
    x = 4,059.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.