Home / 3,177.65-4,382.97-2,235.44

Finding the Fourth Proportional to 3,177.65, 4,382.97 and 2,235.44

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Solution

The fourth proportional to 3,177.65, 4,382.97 and 2,235.44 is: 3,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.65 : 4,382.97 = 2,235.44 : x
  2. Step 2: Convert to fraction form
    3,177.65/4,382.97 = 2,235.44/x
  3. Step 3: Cross multiply
    3,177.65x = 4,382.97 × 2,235.44
  4. Step 4: Simplify right side
    3,177.65x = 9,797,866.46
  5. Step 5: Solve for x
    x = 9,797,866.46/3,177.65
  6. Step 6: Final answer
    x = 3,083.37

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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.