Home / 3,793.62-5,235.35-2,115.02

Finding the Fourth Proportional to 3,793.62, 5,235.35 and 2,115.02

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Solution

The fourth proportional to 3,793.62, 5,235.35 and 2,115.02 is: 2,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.62 : 5,235.35 = 2,115.02 : x
  2. Step 2: Convert to fraction form
    3,793.62/5,235.35 = 2,115.02/x
  3. Step 3: Cross multiply
    3,793.62x = 5,235.35 × 2,115.02
  4. Step 4: Simplify right side
    3,793.62x = 11,072,888.33
  5. Step 5: Solve for x
    x = 11,072,888.33/3,793.62
  6. Step 6: Final answer
    x = 2,918.82

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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.