Home / 3,919.53-5,408.56-2,241.34

Finding the Fourth Proportional to 3,919.53, 5,408.56 and 2,241.34

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Solution

The fourth proportional to 3,919.53, 5,408.56 and 2,241.34 is: 3,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.53 : 5,408.56 = 2,241.34 : x
  2. Step 2: Convert to fraction form
    3,919.53/5,408.56 = 2,241.34/x
  3. Step 3: Cross multiply
    3,919.53x = 5,408.56 × 2,241.34
  4. Step 4: Simplify right side
    3,919.53x = 12,122,421.87
  5. Step 5: Solve for x
    x = 12,122,421.87/3,919.53
  6. Step 6: Final answer
    x = 3,092.83

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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.