Home / 5,376.44-8,067.90-2,089.88

Finding the Fourth Proportional to 5,376.44, 8,067.90 and 2,089.88

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Solution

The fourth proportional to 5,376.44, 8,067.90 and 2,089.88 is: 3,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.44 : 8,067.90 = 2,089.88 : x
  2. Step 2: Convert to fraction form
    5,376.44/8,067.90 = 2,089.88/x
  3. Step 3: Cross multiply
    5,376.44x = 8,067.90 × 2,089.88
  4. Step 4: Simplify right side
    5,376.44x = 16,860,942.85
  5. Step 5: Solve for x
    x = 16,860,942.85/5,376.44
  6. Step 6: Final answer
    x = 3,136.08

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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.