Home / 5,125.05-7,676.64-3,171.33

Finding the Fourth Proportional to 5,125.05, 7,676.64 and 3,171.33

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Solution

The fourth proportional to 5,125.05, 7,676.64 and 3,171.33 is: 4,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.05 : 7,676.64 = 3,171.33 : x
  2. Step 2: Convert to fraction form
    5,125.05/7,676.64 = 3,171.33/x
  3. Step 3: Cross multiply
    5,125.05x = 7,676.64 × 3,171.33
  4. Step 4: Simplify right side
    5,125.05x = 24,345,158.73
  5. Step 5: Solve for x
    x = 24,345,158.73/5,125.05
  6. Step 6: Final answer
    x = 4,750.23

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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.