Home / 3,167.13-4,360.73-2,605.80

Finding the Fourth Proportional to 3,167.13, 4,360.73 and 2,605.80

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Solution

The fourth proportional to 3,167.13, 4,360.73 and 2,605.80 is: 3,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.13 : 4,360.73 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    3,167.13/4,360.73 = 2,605.80/x
  3. Step 3: Cross multiply
    3,167.13x = 4,360.73 × 2,605.80
  4. Step 4: Simplify right side
    3,167.13x = 11,363,177.21
  5. Step 5: Solve for x
    x = 11,363,177.21/3,167.13
  6. Step 6: Final answer
    x = 3,587.85

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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.