Home / 5,201.75-7,178.44-2,843.89

Finding the Fourth Proportional to 5,201.75, 7,178.44 and 2,843.89

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Solution

The fourth proportional to 5,201.75, 7,178.44 and 2,843.89 is: 3,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.75 : 7,178.44 = 2,843.89 : x
  2. Step 2: Convert to fraction form
    5,201.75/7,178.44 = 2,843.89/x
  3. Step 3: Cross multiply
    5,201.75x = 7,178.44 × 2,843.89
  4. Step 4: Simplify right side
    5,201.75x = 20,414,643.62
  5. Step 5: Solve for x
    x = 20,414,643.62/5,201.75
  6. Step 6: Final answer
    x = 3,924.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.