Home / 5,548.61-8,321.88-2,216.57

Finding the Fourth Proportional to 5,548.61, 8,321.88 and 2,216.57

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Solution

The fourth proportional to 5,548.61, 8,321.88 and 2,216.57 is: 3,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.61 : 8,321.88 = 2,216.57 : x
  2. Step 2: Convert to fraction form
    5,548.61/8,321.88 = 2,216.57/x
  3. Step 3: Cross multiply
    5,548.61x = 8,321.88 × 2,216.57
  4. Step 4: Simplify right side
    5,548.61x = 18,446,029.55
  5. Step 5: Solve for x
    x = 18,446,029.55/5,548.61
  6. Step 6: Final answer
    x = 3,324.44

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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.