Home / 5,677.21-8,517.84-2,167.48

Finding the Fourth Proportional to 5,677.21, 8,517.84 and 2,167.48

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Solution

The fourth proportional to 5,677.21, 8,517.84 and 2,167.48 is: 3,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.21 : 8,517.84 = 2,167.48 : x
  2. Step 2: Convert to fraction form
    5,677.21/8,517.84 = 2,167.48/x
  3. Step 3: Cross multiply
    5,677.21x = 8,517.84 × 2,167.48
  4. Step 4: Simplify right side
    5,677.21x = 18,462,247.84
  5. Step 5: Solve for x
    x = 18,462,247.84/5,677.21
  6. Step 6: Final answer
    x = 3,251.99

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1.5x scale

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.