Home / 2,799.11-4,197.13-1,155.29

Finding the Fourth Proportional to 2,799.11, 4,197.13 and 1,155.29

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Solution

The fourth proportional to 2,799.11, 4,197.13 and 1,155.29 is: 1,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.11 : 4,197.13 = 1,155.29 : x
  2. Step 2: Convert to fraction form
    2,799.11/4,197.13 = 1,155.29/x
  3. Step 3: Cross multiply
    2,799.11x = 4,197.13 × 1,155.29
  4. Step 4: Simplify right side
    2,799.11x = 4,848,878.44
  5. Step 5: Solve for x
    x = 4,848,878.44/2,799.11
  6. Step 6: Final answer
    x = 1,732.29

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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.