Home / 4,139.93-5,708.82-2,882.42

Finding the Fourth Proportional to 4,139.93, 5,708.82 and 2,882.42

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Solution

The fourth proportional to 4,139.93, 5,708.82 and 2,882.42 is: 3,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.93 : 5,708.82 = 2,882.42 : x
  2. Step 2: Convert to fraction form
    4,139.93/5,708.82 = 2,882.42/x
  3. Step 3: Cross multiply
    4,139.93x = 5,708.82 × 2,882.42
  4. Step 4: Simplify right side
    4,139.93x = 16,455,216.94
  5. Step 5: Solve for x
    x = 16,455,216.94/4,139.93
  6. Step 6: Final answer
    x = 3,974.76

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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.