Home / 3,874.45-5,347.11-2,195.93

Finding the Fourth Proportional to 3,874.45, 5,347.11 and 2,195.93

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Solution

The fourth proportional to 3,874.45, 5,347.11 and 2,195.93 is: 3,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.45 : 5,347.11 = 2,195.93 : x
  2. Step 2: Convert to fraction form
    3,874.45/5,347.11 = 2,195.93/x
  3. Step 3: Cross multiply
    3,874.45x = 5,347.11 × 2,195.93
  4. Step 4: Simplify right side
    3,874.45x = 11,741,879.26
  5. Step 5: Solve for x
    x = 11,741,879.26/3,874.45
  6. Step 6: Final answer
    x = 3,030.59

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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.