Home / 3,177.60-4,385.98-2,233.61

Finding the Fourth Proportional to 3,177.60, 4,385.98 and 2,233.61

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Solution

The fourth proportional to 3,177.60, 4,385.98 and 2,233.61 is: 3,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.60 : 4,385.98 = 2,233.61 : x
  2. Step 2: Convert to fraction form
    3,177.60/4,385.98 = 2,233.61/x
  3. Step 3: Cross multiply
    3,177.60x = 4,385.98 × 2,233.61
  4. Step 4: Simplify right side
    3,177.60x = 9,796,566.10
  5. Step 5: Solve for x
    x = 9,796,566.10/3,177.60
  6. Step 6: Final answer
    x = 3,083.01

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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.