Home / 4,199.40-5,791.17-2,761.23

Finding the Fourth Proportional to 4,199.40, 5,791.17 and 2,761.23

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Solution

The fourth proportional to 4,199.40, 5,791.17 and 2,761.23 is: 3,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.40 : 5,791.17 = 2,761.23 : x
  2. Step 2: Convert to fraction form
    4,199.40/5,791.17 = 2,761.23/x
  3. Step 3: Cross multiply
    4,199.40x = 5,791.17 × 2,761.23
  4. Step 4: Simplify right side
    4,199.40x = 15,990,752.34
  5. Step 5: Solve for x
    x = 15,990,752.34/4,199.40
  6. Step 6: Final answer
    x = 3,807.87

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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.