Home / 5,201.21-7,177.46-2,843.43

Finding the Fourth Proportional to 5,201.21, 7,177.46 and 2,843.43

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Solution

The fourth proportional to 5,201.21, 7,177.46 and 2,843.43 is: 3,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.21 : 7,177.46 = 2,843.43 : x
  2. Step 2: Convert to fraction form
    5,201.21/7,177.46 = 2,843.43/x
  3. Step 3: Cross multiply
    5,201.21x = 7,177.46 × 2,843.43
  4. Step 4: Simplify right side
    5,201.21x = 20,408,590.87
  5. Step 5: Solve for x
    x = 20,408,590.87/5,201.21
  6. Step 6: Final answer
    x = 3,923.82

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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.