Home / 5,201.70-7,178.14-2,843.94

Finding the Fourth Proportional to 5,201.70, 7,178.14 and 2,843.94

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Solution

The fourth proportional to 5,201.70, 7,178.14 and 2,843.94 is: 3,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.70 : 7,178.14 = 2,843.94 : x
  2. Step 2: Convert to fraction form
    5,201.70/7,178.14 = 2,843.94/x
  3. Step 3: Cross multiply
    5,201.70x = 7,178.14 × 2,843.94
  4. Step 4: Simplify right side
    5,201.70x = 20,414,199.47
  5. Step 5: Solve for x
    x = 20,414,199.47/5,201.70
  6. Step 6: Final answer
    x = 3,924.52

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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.