Home / 2,747.98-4,121.83-2,203.57

Finding the Fourth Proportional to 2,747.98, 4,121.83 and 2,203.57

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Solution

The fourth proportional to 2,747.98, 4,121.83 and 2,203.57 is: 3,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.98 : 4,121.83 = 2,203.57 : x
  2. Step 2: Convert to fraction form
    2,747.98/4,121.83 = 2,203.57/x
  3. Step 3: Cross multiply
    2,747.98x = 4,121.83 × 2,203.57
  4. Step 4: Simplify right side
    2,747.98x = 9,082,740.93
  5. Step 5: Solve for x
    x = 9,082,740.93/2,747.98
  6. Step 6: Final answer
    x = 3,305.24

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1.5x scale

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.