Home / 3,961.68-5,467.20-2,193.42

Finding the Fourth Proportional to 3,961.68, 5,467.20 and 2,193.42

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Solution

The fourth proportional to 3,961.68, 5,467.20 and 2,193.42 is: 3,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.68 : 5,467.20 = 2,193.42 : x
  2. Step 2: Convert to fraction form
    3,961.68/5,467.20 = 2,193.42/x
  3. Step 3: Cross multiply
    3,961.68x = 5,467.20 × 2,193.42
  4. Step 4: Simplify right side
    3,961.68x = 11,991,865.82
  5. Step 5: Solve for x
    x = 11,991,865.82/3,961.68
  6. Step 6: Final answer
    x = 3,026.96

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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.