Home / 3,914.46-5,401.88-2,146.02

Finding the Fourth Proportional to 3,914.46, 5,401.88 and 2,146.02

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Solution

The fourth proportional to 3,914.46, 5,401.88 and 2,146.02 is: 2,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.46 : 5,401.88 = 2,146.02 : x
  2. Step 2: Convert to fraction form
    3,914.46/5,401.88 = 2,146.02/x
  3. Step 3: Cross multiply
    3,914.46x = 5,401.88 × 2,146.02
  4. Step 4: Simplify right side
    3,914.46x = 11,592,531.79
  5. Step 5: Solve for x
    x = 11,592,531.79/3,914.46
  6. Step 6: Final answer
    x = 2,961.46

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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.