Home / 5,179.67-7,764.08-2,257.19

Finding the Fourth Proportional to 5,179.67, 7,764.08 and 2,257.19

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Solution

The fourth proportional to 5,179.67, 7,764.08 and 2,257.19 is: 3,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.67 : 7,764.08 = 2,257.19 : x
  2. Step 2: Convert to fraction form
    5,179.67/7,764.08 = 2,257.19/x
  3. Step 3: Cross multiply
    5,179.67x = 7,764.08 × 2,257.19
  4. Step 4: Simplify right side
    5,179.67x = 17,524,953.63
  5. Step 5: Solve for x
    x = 17,524,953.63/5,179.67
  6. Step 6: Final answer
    x = 3,383.41

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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.