Home / 3,049.17-4,207.87-1,722.99

Finding the Fourth Proportional to 3,049.17, 4,207.87 and 1,722.99

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Solution

The fourth proportional to 3,049.17, 4,207.87 and 1,722.99 is: 2,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.17 : 4,207.87 = 1,722.99 : x
  2. Step 2: Convert to fraction form
    3,049.17/4,207.87 = 1,722.99/x
  3. Step 3: Cross multiply
    3,049.17x = 4,207.87 × 1,722.99
  4. Step 4: Simplify right side
    3,049.17x = 7,250,135.86
  5. Step 5: Solve for x
    x = 7,250,135.86/3,049.17
  6. Step 6: Final answer
    x = 2,377.74

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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.