Home / 2,265.24-3,125.25-1,270.38

Finding the Fourth Proportional to 2,265.24, 3,125.25 and 1,270.38

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Solution

The fourth proportional to 2,265.24, 3,125.25 and 1,270.38 is: 1,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.24 : 3,125.25 = 1,270.38 : x
  2. Step 2: Convert to fraction form
    2,265.24/3,125.25 = 1,270.38/x
  3. Step 3: Cross multiply
    2,265.24x = 3,125.25 × 1,270.38
  4. Step 4: Simplify right side
    2,265.24x = 3,970,255.10
  5. Step 5: Solve for x
    x = 3,970,255.10/2,265.24
  6. Step 6: Final answer
    x = 1,752.69

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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.