Home / 5,201.55-7,178.14-2,843.69

Finding the Fourth Proportional to 5,201.55, 7,178.14 and 2,843.69

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Solution

The fourth proportional to 5,201.55, 7,178.14 and 2,843.69 is: 3,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.55 : 7,178.14 = 2,843.69 : x
  2. Step 2: Convert to fraction form
    5,201.55/7,178.14 = 2,843.69/x
  3. Step 3: Cross multiply
    5,201.55x = 7,178.14 × 2,843.69
  4. Step 4: Simplify right side
    5,201.55x = 20,412,372.77
  5. Step 5: Solve for x
    x = 20,412,372.77/5,201.55
  6. Step 6: Final answer
    x = 3,924.29

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Half scale
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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.