Home / 3,049.16-4,207.92-1,722.83

Finding the Fourth Proportional to 3,049.16, 4,207.92 and 1,722.83

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Solution

The fourth proportional to 3,049.16, 4,207.92 and 1,722.83 is: 2,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.16 : 4,207.92 = 1,722.83 : x
  2. Step 2: Convert to fraction form
    3,049.16/4,207.92 = 1,722.83/x
  3. Step 3: Cross multiply
    3,049.16x = 4,207.92 × 1,722.83
  4. Step 4: Simplify right side
    3,049.16x = 7,249,519.09
  5. Step 5: Solve for x
    x = 7,249,519.09/3,049.16
  6. Step 6: Final answer
    x = 2,377.55

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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.