Home / 2,881.13-4,324.12-1,149.75

Finding the Fourth Proportional to 2,881.13, 4,324.12 and 1,149.75

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Solution

The fourth proportional to 2,881.13, 4,324.12 and 1,149.75 is: 1,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.13 : 4,324.12 = 1,149.75 : x
  2. Step 2: Convert to fraction form
    2,881.13/4,324.12 = 1,149.75/x
  3. Step 3: Cross multiply
    2,881.13x = 4,324.12 × 1,149.75
  4. Step 4: Simplify right side
    2,881.13x = 4,971,654.10
  5. Step 5: Solve for x
    x = 4,971,654.10/2,881.13
  6. Step 6: Final answer
    x = 1,725.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.