Home / 3,001.25-4,132.69-2,825.89

Finding the Fourth Proportional to 3,001.25, 4,132.69 and 2,825.89

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Solution

The fourth proportional to 3,001.25, 4,132.69 and 2,825.89 is: 3,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.25 : 4,132.69 = 2,825.89 : x
  2. Step 2: Convert to fraction form
    3,001.25/4,132.69 = 2,825.89/x
  3. Step 3: Cross multiply
    3,001.25x = 4,132.69 × 2,825.89
  4. Step 4: Simplify right side
    3,001.25x = 11,678,509.95
  5. Step 5: Solve for x
    x = 11,678,509.95/3,001.25
  6. Step 6: Final answer
    x = 3,891.21

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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.