Home / 3,228.26-4,453.89-1,811.75

Finding the Fourth Proportional to 3,228.26, 4,453.89 and 1,811.75

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Solution

The fourth proportional to 3,228.26, 4,453.89 and 1,811.75 is: 2,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.26 : 4,453.89 = 1,811.75 : x
  2. Step 2: Convert to fraction form
    3,228.26/4,453.89 = 1,811.75/x
  3. Step 3: Cross multiply
    3,228.26x = 4,453.89 × 1,811.75
  4. Step 4: Simplify right side
    3,228.26x = 8,069,337.28
  5. Step 5: Solve for x
    x = 8,069,337.28/3,228.26
  6. Step 6: Final answer
    x = 2,499.59

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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.