Home / 5,360.33-8,042.80-2,765.09

Finding the Fourth Proportional to 5,360.33, 8,042.80 and 2,765.09

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Solution

The fourth proportional to 5,360.33, 8,042.80 and 2,765.09 is: 4,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.33 : 8,042.80 = 2,765.09 : x
  2. Step 2: Convert to fraction form
    5,360.33/8,042.80 = 2,765.09/x
  3. Step 3: Cross multiply
    5,360.33x = 8,042.80 × 2,765.09
  4. Step 4: Simplify right side
    5,360.33x = 22,239,065.85
  5. Step 5: Solve for x
    x = 22,239,065.85/5,360.33
  6. Step 6: Final answer
    x = 4,148.82

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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.