Home / 3,195.86-4,408.25-2,199.38

Finding the Fourth Proportional to 3,195.86, 4,408.25 and 2,199.38

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Solution

The fourth proportional to 3,195.86, 4,408.25 and 2,199.38 is: 3,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.86 : 4,408.25 = 2,199.38 : x
  2. Step 2: Convert to fraction form
    3,195.86/4,408.25 = 2,199.38/x
  3. Step 3: Cross multiply
    3,195.86x = 4,408.25 × 2,199.38
  4. Step 4: Simplify right side
    3,195.86x = 9,695,383.85
  5. Step 5: Solve for x
    x = 9,695,383.85/3,195.86
  6. Step 6: Final answer
    x = 3,033.74

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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.