Home / 3,291.72-4,542.68-2,032.82

Finding the Fourth Proportional to 3,291.72, 4,542.68 and 2,032.82

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Solution

The fourth proportional to 3,291.72, 4,542.68 and 2,032.82 is: 2,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.72 : 4,542.68 = 2,032.82 : x
  2. Step 2: Convert to fraction form
    3,291.72/4,542.68 = 2,032.82/x
  3. Step 3: Cross multiply
    3,291.72x = 4,542.68 × 2,032.82
  4. Step 4: Simplify right side
    3,291.72x = 9,234,450.76
  5. Step 5: Solve for x
    x = 9,234,450.76/3,291.72
  6. Step 6: Final answer
    x = 2,805.36

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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.