Home / 4,079.70-5,631.26-3,241.89

Finding the Fourth Proportional to 4,079.70, 5,631.26 and 3,241.89

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Solution

The fourth proportional to 4,079.70, 5,631.26 and 3,241.89 is: 4,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.70 : 5,631.26 = 3,241.89 : x
  2. Step 2: Convert to fraction form
    4,079.70/5,631.26 = 3,241.89/x
  3. Step 3: Cross multiply
    4,079.70x = 5,631.26 × 3,241.89
  4. Step 4: Simplify right side
    4,079.70x = 18,255,909.27
  5. Step 5: Solve for x
    x = 18,255,909.27/4,079.70
  6. Step 6: Final answer
    x = 4,474.82

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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.