Home / 3,227.32-4,453.76-1,811.33

Finding the Fourth Proportional to 3,227.32, 4,453.76 and 1,811.33

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Solution

The fourth proportional to 3,227.32, 4,453.76 and 1,811.33 is: 2,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.32 : 4,453.76 = 1,811.33 : x
  2. Step 2: Convert to fraction form
    3,227.32/4,453.76 = 1,811.33/x
  3. Step 3: Cross multiply
    3,227.32x = 4,453.76 × 1,811.33
  4. Step 4: Simplify right side
    3,227.32x = 8,067,229.10
  5. Step 5: Solve for x
    x = 8,067,229.10/3,227.32
  6. Step 6: Final answer
    x = 2,499.67

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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.