Home / 3,049.11-4,207.50-1,722.56

Finding the Fourth Proportional to 3,049.11, 4,207.50 and 1,722.56

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Solution

The fourth proportional to 3,049.11, 4,207.50 and 1,722.56 is: 2,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.11 : 4,207.50 = 1,722.56 : x
  2. Step 2: Convert to fraction form
    3,049.11/4,207.50 = 1,722.56/x
  3. Step 3: Cross multiply
    3,049.11x = 4,207.50 × 1,722.56
  4. Step 4: Simplify right side
    3,049.11x = 7,247,650.16
  5. Step 5: Solve for x
    x = 7,247,650.16/3,049.11
  6. Step 6: Final answer
    x = 2,376.97

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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.