Home / 2,107.52-3,161.28-1,067.36

Finding the Fourth Proportional to 2,107.52, 3,161.28 and 1,067.36

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Solution

The fourth proportional to 2,107.52, 3,161.28 and 1,067.36 is: 1,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.52 : 3,161.28 = 1,067.36 : x
  2. Step 2: Convert to fraction form
    2,107.52/3,161.28 = 1,067.36/x
  3. Step 3: Cross multiply
    2,107.52x = 3,161.28 × 1,067.36
  4. Step 4: Simplify right side
    2,107.52x = 3,374,223.82
  5. Step 5: Solve for x
    x = 3,374,223.82/2,107.52
  6. Step 6: Final answer
    x = 1,601.04

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1.5x scale

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.