Home / 5,171.73-7,758.44-2,051.75

Finding the Fourth Proportional to 5,171.73, 7,758.44 and 2,051.75

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Solution

The fourth proportional to 5,171.73, 7,758.44 and 2,051.75 is: 3,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.73 : 7,758.44 = 2,051.75 : x
  2. Step 2: Convert to fraction form
    5,171.73/7,758.44 = 2,051.75/x
  3. Step 3: Cross multiply
    5,171.73x = 7,758.44 × 2,051.75
  4. Step 4: Simplify right side
    5,171.73x = 15,918,379.27
  5. Step 5: Solve for x
    x = 15,918,379.27/5,171.73
  6. Step 6: Final answer
    x = 3,077.96

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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.