Home / 5,765.25-8,647.89-2,067.72

Finding the Fourth Proportional to 5,765.25, 8,647.89 and 2,067.72

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Solution

The fourth proportional to 5,765.25, 8,647.89 and 2,067.72 is: 3,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.25 : 8,647.89 = 2,067.72 : x
  2. Step 2: Convert to fraction form
    5,765.25/8,647.89 = 2,067.72/x
  3. Step 3: Cross multiply
    5,765.25x = 8,647.89 × 2,067.72
  4. Step 4: Simplify right side
    5,765.25x = 17,881,415.11
  5. Step 5: Solve for x
    x = 17,881,415.11/5,765.25
  6. Step 6: Final answer
    x = 3,101.59

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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.