Home / 5,540.40-8,306.88-2,616

Finding the Fourth Proportional to 5,540.40, 8,306.88 and 2,616

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Solution

The fourth proportional to 5,540.40, 8,306.88 and 2,616 is: 3,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.40 : 8,306.88 = 2,616 : x
  2. Step 2: Convert to fraction form
    5,540.40/8,306.88 = 2,616/x
  3. Step 3: Cross multiply
    5,540.40x = 8,306.88 × 2,616
  4. Step 4: Simplify right side
    5,540.40x = 21,730,798.08
  5. Step 5: Solve for x
    x = 21,730,798.08/5,540.40
  6. Step 6: Final answer
    x = 3,922.24

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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.