Home / 3,389.98-5,085.39-1,198.27

Finding the Fourth Proportional to 3,389.98, 5,085.39 and 1,198.27

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Solution

The fourth proportional to 3,389.98, 5,085.39 and 1,198.27 is: 1,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.98 : 5,085.39 = 1,198.27 : x
  2. Step 2: Convert to fraction form
    3,389.98/5,085.39 = 1,198.27/x
  3. Step 3: Cross multiply
    3,389.98x = 5,085.39 × 1,198.27
  4. Step 4: Simplify right side
    3,389.98x = 6,093,670.28
  5. Step 5: Solve for x
    x = 6,093,670.28/3,389.98
  6. Step 6: Final answer
    x = 1,797.55

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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.