Home / 5,201.46-7,177.79-2,843.60

Finding the Fourth Proportional to 5,201.46, 7,177.79 and 2,843.60

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Solution

The fourth proportional to 5,201.46, 7,177.79 and 2,843.60 is: 3,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.46 : 7,177.79 = 2,843.60 : x
  2. Step 2: Convert to fraction form
    5,201.46/7,177.79 = 2,843.60/x
  3. Step 3: Cross multiply
    5,201.46x = 7,177.79 × 2,843.60
  4. Step 4: Simplify right side
    5,201.46x = 20,410,734.86
  5. Step 5: Solve for x
    x = 20,410,734.86/5,201.46
  6. Step 6: Final answer
    x = 3,924.04

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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.