Home / 3,174.05-4,381.41-2,841.90

Finding the Fourth Proportional to 3,174.05, 4,381.41 and 2,841.90

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Solution

The fourth proportional to 3,174.05, 4,381.41 and 2,841.90 is: 3,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.05 : 4,381.41 = 2,841.90 : x
  2. Step 2: Convert to fraction form
    3,174.05/4,381.41 = 2,841.90/x
  3. Step 3: Cross multiply
    3,174.05x = 4,381.41 × 2,841.90
  4. Step 4: Simplify right side
    3,174.05x = 12,451,529.08
  5. Step 5: Solve for x
    x = 12,451,529.08/3,174.05
  6. Step 6: Final answer
    x = 3,922.92

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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.