Home / 2,965.66-4,447.19-1,115.48

Finding the Fourth Proportional to 2,965.66, 4,447.19 and 1,115.48

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Solution

The fourth proportional to 2,965.66, 4,447.19 and 1,115.48 is: 1,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.66 : 4,447.19 = 1,115.48 : x
  2. Step 2: Convert to fraction form
    2,965.66/4,447.19 = 1,115.48/x
  3. Step 3: Cross multiply
    2,965.66x = 4,447.19 × 1,115.48
  4. Step 4: Simplify right side
    2,965.66x = 4,960,765.41
  5. Step 5: Solve for x
    x = 4,960,765.41/2,965.66
  6. Step 6: Final answer
    x = 1,672.74

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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.