Home / 3,226.05-4,453.88-2,108.86

Finding the Fourth Proportional to 3,226.05, 4,453.88 and 2,108.86

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Solution

The fourth proportional to 3,226.05, 4,453.88 and 2,108.86 is: 2,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.05 : 4,453.88 = 2,108.86 : x
  2. Step 2: Convert to fraction form
    3,226.05/4,453.88 = 2,108.86/x
  3. Step 3: Cross multiply
    3,226.05x = 4,453.88 × 2,108.86
  4. Step 4: Simplify right side
    3,226.05x = 9,392,587.70
  5. Step 5: Solve for x
    x = 9,392,587.70/3,226.05
  6. Step 6: Final answer
    x = 2,911.48

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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.