Home / 5,661.34-8,488.55-2,700.69

Finding the Fourth Proportional to 5,661.34, 8,488.55 and 2,700.69

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Solution

The fourth proportional to 5,661.34, 8,488.55 and 2,700.69 is: 4,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.34 : 8,488.55 = 2,700.69 : x
  2. Step 2: Convert to fraction form
    5,661.34/8,488.55 = 2,700.69/x
  3. Step 3: Cross multiply
    5,661.34x = 8,488.55 × 2,700.69
  4. Step 4: Simplify right side
    5,661.34x = 22,924,949.58
  5. Step 5: Solve for x
    x = 22,924,949.58/5,661.34
  6. Step 6: Final answer
    x = 4,049.38

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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.