Home / 3,227.22-4,453.38-1,900.85

Finding the Fourth Proportional to 3,227.22, 4,453.38 and 1,900.85

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Solution

The fourth proportional to 3,227.22, 4,453.38 and 1,900.85 is: 2,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.22 : 4,453.38 = 1,900.85 : x
  2. Step 2: Convert to fraction form
    3,227.22/4,453.38 = 1,900.85/x
  3. Step 3: Cross multiply
    3,227.22x = 4,453.38 × 1,900.85
  4. Step 4: Simplify right side
    3,227.22x = 8,465,185.11
  5. Step 5: Solve for x
    x = 8,465,185.11/3,227.22
  6. Step 6: Final answer
    x = 2,623.06

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Half scale
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Double scale
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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.