Home / 4,189.01-5,781.58-3,132.08

Finding the Fourth Proportional to 4,189.01, 5,781.58 and 3,132.08

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Solution

The fourth proportional to 4,189.01, 5,781.58 and 3,132.08 is: 4,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.01 : 5,781.58 = 3,132.08 : x
  2. Step 2: Convert to fraction form
    4,189.01/5,781.58 = 3,132.08/x
  3. Step 3: Cross multiply
    4,189.01x = 5,781.58 × 3,132.08
  4. Step 4: Simplify right side
    4,189.01x = 18,108,371.09
  5. Step 5: Solve for x
    x = 18,108,371.09/4,189.01
  6. Step 6: Final answer
    x = 4,322.83

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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.