Home / 4,902.41-7,357.76-2,131.29

Finding the Fourth Proportional to 4,902.41, 7,357.76 and 2,131.29

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Solution

The fourth proportional to 4,902.41, 7,357.76 and 2,131.29 is: 3,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.41 : 7,357.76 = 2,131.29 : x
  2. Step 2: Convert to fraction form
    4,902.41/7,357.76 = 2,131.29/x
  3. Step 3: Cross multiply
    4,902.41x = 7,357.76 × 2,131.29
  4. Step 4: Simplify right side
    4,902.41x = 15,681,520.31
  5. Step 5: Solve for x
    x = 15,681,520.31/4,902.41
  6. Step 6: Final answer
    x = 3,198.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.