Home / 4,189.59-5,781.71-2,301.21

Finding the Fourth Proportional to 4,189.59, 5,781.71 and 2,301.21

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Solution

The fourth proportional to 4,189.59, 5,781.71 and 2,301.21 is: 3,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.59 : 5,781.71 = 2,301.21 : x
  2. Step 2: Convert to fraction form
    4,189.59/5,781.71 = 2,301.21/x
  3. Step 3: Cross multiply
    4,189.59x = 5,781.71 × 2,301.21
  4. Step 4: Simplify right side
    4,189.59x = 13,304,934.62
  5. Step 5: Solve for x
    x = 13,304,934.62/4,189.59
  6. Step 6: Final answer
    x = 3,175.71

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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.