Home / 3,226.89-4,453.28-1,811.03

Finding the Fourth Proportional to 3,226.89, 4,453.28 and 1,811.03

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Solution

The fourth proportional to 3,226.89, 4,453.28 and 1,811.03 is: 2,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.89 : 4,453.28 = 1,811.03 : x
  2. Step 2: Convert to fraction form
    3,226.89/4,453.28 = 1,811.03/x
  3. Step 3: Cross multiply
    3,226.89x = 4,453.28 × 1,811.03
  4. Step 4: Simplify right side
    3,226.89x = 8,065,023.68
  5. Step 5: Solve for x
    x = 8,065,023.68/3,226.89
  6. Step 6: Final answer
    x = 2,499.32

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Half 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.