Home / 3,874.35-5,346.22-2,195.42

Finding the Fourth Proportional to 3,874.35, 5,346.22 and 2,195.42

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Solution

The fourth proportional to 3,874.35, 5,346.22 and 2,195.42 is: 3,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.35 : 5,346.22 = 2,195.42 : x
  2. Step 2: Convert to fraction form
    3,874.35/5,346.22 = 2,195.42/x
  3. Step 3: Cross multiply
    3,874.35x = 5,346.22 × 2,195.42
  4. Step 4: Simplify right side
    3,874.35x = 11,737,187.34
  5. Step 5: Solve for x
    x = 11,737,187.34/3,874.35
  6. Step 6: Final answer
    x = 3,029.46

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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.