Home / 5,135.11-7,705.00-2,174.36

Finding the Fourth Proportional to 5,135.11, 7,705.00 and 2,174.36

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Solution

The fourth proportional to 5,135.11, 7,705.00 and 2,174.36 is: 3,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.11 : 7,705.00 = 2,174.36 : x
  2. Step 2: Convert to fraction form
    5,135.11/7,705.00 = 2,174.36/x
  3. Step 3: Cross multiply
    5,135.11x = 7,705.00 × 2,174.36
  4. Step 4: Simplify right side
    5,135.11x = 16,753,419.10
  5. Step 5: Solve for x
    x = 16,753,419.10/5,135.11
  6. Step 6: Final answer
    x = 3,262.52

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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.