Home / 3,408.40-5,084.21-3,351.96

Finding the Fourth Proportional to 3,408.40, 5,084.21 and 3,351.96

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Solution

The fourth proportional to 3,408.40, 5,084.21 and 3,351.96 is: 5,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.40 : 5,084.21 = 3,351.96 : x
  2. Step 2: Convert to fraction form
    3,408.40/5,084.21 = 3,351.96/x
  3. Step 3: Cross multiply
    3,408.40x = 5,084.21 × 3,351.96
  4. Step 4: Simplify right side
    3,408.40x = 17,042,060.97
  5. Step 5: Solve for x
    x = 17,042,060.97/3,408.40
  6. Step 6: Final answer
    x = 5,000.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.