Home / 3,684.82-5,083.38-2,489.41

Finding the Fourth Proportional to 3,684.82, 5,083.38 and 2,489.41

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Solution

The fourth proportional to 3,684.82, 5,083.38 and 2,489.41 is: 3,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.82 : 5,083.38 = 2,489.41 : x
  2. Step 2: Convert to fraction form
    3,684.82/5,083.38 = 2,489.41/x
  3. Step 3: Cross multiply
    3,684.82x = 5,083.38 × 2,489.41
  4. Step 4: Simplify right side
    3,684.82x = 12,654,604.30
  5. Step 5: Solve for x
    x = 12,654,604.30/3,684.82
  6. Step 6: Final answer
    x = 3,434.26

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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.