Home / 3,961.86-5,467.05-2,193.54

Finding the Fourth Proportional to 3,961.86, 5,467.05 and 2,193.54

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Solution

The fourth proportional to 3,961.86, 5,467.05 and 2,193.54 is: 3,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.86 : 5,467.05 = 2,193.54 : x
  2. Step 2: Convert to fraction form
    3,961.86/5,467.05 = 2,193.54/x
  3. Step 3: Cross multiply
    3,961.86x = 5,467.05 × 2,193.54
  4. Step 4: Simplify right side
    3,961.86x = 11,992,192.86
  5. Step 5: Solve for x
    x = 11,992,192.86/3,961.86
  6. Step 6: Final answer
    x = 3,026.91

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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.