Home / 1,963.39-2,709.49-1,067.13

Finding the Fourth Proportional to 1,963.39, 2,709.49 and 1,067.13

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Solution

The fourth proportional to 1,963.39, 2,709.49 and 1,067.13 is: 1,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.39 : 2,709.49 = 1,067.13 : x
  2. Step 2: Convert to fraction form
    1,963.39/2,709.49 = 1,067.13/x
  3. Step 3: Cross multiply
    1,963.39x = 2,709.49 × 1,067.13
  4. Step 4: Simplify right side
    1,963.39x = 2,891,378.06
  5. Step 5: Solve for x
    x = 2,891,378.06/1,963.39
  6. Step 6: Final answer
    x = 1,472.65

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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.