Home / 5,462.75-8,193.44-2,178.15

Finding the Fourth Proportional to 5,462.75, 8,193.44 and 2,178.15

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Solution

The fourth proportional to 5,462.75, 8,193.44 and 2,178.15 is: 3,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.75 : 8,193.44 = 2,178.15 : x
  2. Step 2: Convert to fraction form
    5,462.75/8,193.44 = 2,178.15/x
  3. Step 3: Cross multiply
    5,462.75x = 8,193.44 × 2,178.15
  4. Step 4: Simplify right side
    5,462.75x = 17,846,570.60
  5. Step 5: Solve for x
    x = 17,846,570.60/5,462.75
  6. Step 6: Final answer
    x = 3,266.95

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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.