Home / 5,469.12-8,198.01-4,987.98

Finding the Fourth Proportional to 5,469.12, 8,198.01 and 4,987.98

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Solution

The fourth proportional to 5,469.12, 8,198.01 and 4,987.98 is: 7,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 8,198.01 = 4,987.98 : x
  2. Step 2: Convert to fraction form
    5,469.12/8,198.01 = 4,987.98/x
  3. Step 3: Cross multiply
    5,469.12x = 8,198.01 × 4,987.98
  4. Step 4: Simplify right side
    5,469.12x = 40,891,509.92
  5. Step 5: Solve for x
    x = 40,891,509.92/5,469.12
  6. Step 6: Final answer
    x = 7,476.80

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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.