Home / 5,201.90-7,178.89-2,844.02

Finding the Fourth Proportional to 5,201.90, 7,178.89 and 2,844.02

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Solution

The fourth proportional to 5,201.90, 7,178.89 and 2,844.02 is: 3,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.90 : 7,178.89 = 2,844.02 : x
  2. Step 2: Convert to fraction form
    5,201.90/7,178.89 = 2,844.02/x
  3. Step 3: Cross multiply
    5,201.90x = 7,178.89 × 2,844.02
  4. Step 4: Simplify right side
    5,201.90x = 20,416,906.74
  5. Step 5: Solve for x
    x = 20,416,906.74/5,201.90
  6. Step 6: Final answer
    x = 3,924.89

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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.