Home / 2,697.11-3,721.97-1,518.38

Finding the Fourth Proportional to 2,697.11, 3,721.97 and 1,518.38

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Solution

The fourth proportional to 2,697.11, 3,721.97 and 1,518.38 is: 2,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.11 : 3,721.97 = 1,518.38 : x
  2. Step 2: Convert to fraction form
    2,697.11/3,721.97 = 1,518.38/x
  3. Step 3: Cross multiply
    2,697.11x = 3,721.97 × 1,518.38
  4. Step 4: Simplify right side
    2,697.11x = 5,651,338.61
  5. Step 5: Solve for x
    x = 5,651,338.61/2,697.11
  6. Step 6: Final answer
    x = 2,095.34

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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.