Home / 4,906.40-7,356.90-2,132.60

Finding the Fourth Proportional to 4,906.40, 7,356.90 and 2,132.60

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Solution

The fourth proportional to 4,906.40, 7,356.90 and 2,132.60 is: 3,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.40 : 7,356.90 = 2,132.60 : x
  2. Step 2: Convert to fraction form
    4,906.40/7,356.90 = 2,132.60/x
  3. Step 3: Cross multiply
    4,906.40x = 7,356.90 × 2,132.60
  4. Step 4: Simplify right side
    4,906.40x = 15,689,324.94
  5. Step 5: Solve for x
    x = 15,689,324.94/4,906.40
  6. Step 6: Final answer
    x = 3,197.73

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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.