Home / 5,766.06-8,643.97-2,115.50

Finding the Fourth Proportional to 5,766.06, 8,643.97 and 2,115.50

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Solution

The fourth proportional to 5,766.06, 8,643.97 and 2,115.50 is: 3,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.06 : 8,643.97 = 2,115.50 : x
  2. Step 2: Convert to fraction form
    5,766.06/8,643.97 = 2,115.50/x
  3. Step 3: Cross multiply
    5,766.06x = 8,643.97 × 2,115.50
  4. Step 4: Simplify right side
    5,766.06x = 18,286,318.54
  5. Step 5: Solve for x
    x = 18,286,318.54/5,766.06
  6. Step 6: Final answer
    x = 3,171.37

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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.