Home / 3,155.88-4,731.60-2,266.95

Finding the Fourth Proportional to 3,155.88, 4,731.60 and 2,266.95

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Solution

The fourth proportional to 3,155.88, 4,731.60 and 2,266.95 is: 3,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.88 : 4,731.60 = 2,266.95 : x
  2. Step 2: Convert to fraction form
    3,155.88/4,731.60 = 2,266.95/x
  3. Step 3: Cross multiply
    3,155.88x = 4,731.60 × 2,266.95
  4. Step 4: Simplify right side
    3,155.88x = 10,726,318.12
  5. Step 5: Solve for x
    x = 10,726,318.12/3,155.88
  6. Step 6: Final answer
    x = 3,398.84

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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.