Home / 5,235.15-7,843.35-2,764.44

Finding the Fourth Proportional to 5,235.15, 7,843.35 and 2,764.44

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Solution

The fourth proportional to 5,235.15, 7,843.35 and 2,764.44 is: 4,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.15 : 7,843.35 = 2,764.44 : x
  2. Step 2: Convert to fraction form
    5,235.15/7,843.35 = 2,764.44/x
  3. Step 3: Cross multiply
    5,235.15x = 7,843.35 × 2,764.44
  4. Step 4: Simplify right side
    5,235.15x = 21,682,431.26
  5. Step 5: Solve for x
    x = 21,682,431.26/5,235.15
  6. Step 6: Final answer
    x = 4,141.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.