Home / 4,195.18-5,791.78-2,920.92

Finding the Fourth Proportional to 4,195.18, 5,791.78 and 2,920.92

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Solution

The fourth proportional to 4,195.18, 5,791.78 and 2,920.92 is: 4,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.18 : 5,791.78 = 2,920.92 : x
  2. Step 2: Convert to fraction form
    4,195.18/5,791.78 = 2,920.92/x
  3. Step 3: Cross multiply
    4,195.18x = 5,791.78 × 2,920.92
  4. Step 4: Simplify right side
    4,195.18x = 16,917,326.04
  5. Step 5: Solve for x
    x = 16,917,326.04/4,195.18
  6. Step 6: Final answer
    x = 4,032.56

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1.5x scale

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.