Home / 5,855.25-8,786.33-2,160.06

Finding the Fourth Proportional to 5,855.25, 8,786.33 and 2,160.06

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Solution

The fourth proportional to 5,855.25, 8,786.33 and 2,160.06 is: 3,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.25 : 8,786.33 = 2,160.06 : x
  2. Step 2: Convert to fraction form
    5,855.25/8,786.33 = 2,160.06/x
  3. Step 3: Cross multiply
    5,855.25x = 8,786.33 × 2,160.06
  4. Step 4: Simplify right side
    5,855.25x = 18,978,999.98
  5. Step 5: Solve for x
    x = 18,978,999.98/5,855.25
  6. Step 6: Final answer
    x = 3,241.36

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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.