Home / 6,617.27-9,132.68-3,822.77

Finding the Fourth Proportional to 6,617.27, 9,132.68 and 3,822.77

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Solution

The fourth proportional to 6,617.27, 9,132.68 and 3,822.77 is: 5,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.27 : 9,132.68 = 3,822.77 : x
  2. Step 2: Convert to fraction form
    6,617.27/9,132.68 = 3,822.77/x
  3. Step 3: Cross multiply
    6,617.27x = 9,132.68 × 3,822.77
  4. Step 4: Simplify right side
    6,617.27x = 34,912,135.12
  5. Step 5: Solve for x
    x = 34,912,135.12/6,617.27
  6. Step 6: Final answer
    x = 5,275.91

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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.