Home / 5,091.23-7,029.32-3,179.96

Finding the Fourth Proportional to 5,091.23, 7,029.32 and 3,179.96

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Solution

The fourth proportional to 5,091.23, 7,029.32 and 3,179.96 is: 4,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.23 : 7,029.32 = 3,179.96 : x
  2. Step 2: Convert to fraction form
    5,091.23/7,029.32 = 3,179.96/x
  3. Step 3: Cross multiply
    5,091.23x = 7,029.32 × 3,179.96
  4. Step 4: Simplify right side
    5,091.23x = 22,352,956.43
  5. Step 5: Solve for x
    x = 22,352,956.43/5,091.23
  6. Step 6: Final answer
    x = 4,390.48

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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.