Home / 1,517.38-2,272.56-1,465.48

Finding the Fourth Proportional to 1,517.38, 2,272.56 and 1,465.48

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Solution

The fourth proportional to 1,517.38, 2,272.56 and 1,465.48 is: 2,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.38 : 2,272.56 = 1,465.48 : x
  2. Step 2: Convert to fraction form
    1,517.38/2,272.56 = 1,465.48/x
  3. Step 3: Cross multiply
    1,517.38x = 2,272.56 × 1,465.48
  4. Step 4: Simplify right side
    1,517.38x = 3,330,391.23
  5. Step 5: Solve for x
    x = 3,330,391.23/1,517.38
  6. Step 6: Final answer
    x = 2,194.83

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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.