Home / 5,176.92-7,759.86-2,055.58

Finding the Fourth Proportional to 5,176.92, 7,759.86 and 2,055.58

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Solution

The fourth proportional to 5,176.92, 7,759.86 and 2,055.58 is: 3,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.92 : 7,759.86 = 2,055.58 : x
  2. Step 2: Convert to fraction form
    5,176.92/7,759.86 = 2,055.58/x
  3. Step 3: Cross multiply
    5,176.92x = 7,759.86 × 2,055.58
  4. Step 4: Simplify right side
    5,176.92x = 15,951,013.02
  5. Step 5: Solve for x
    x = 15,951,013.02/5,176.92
  6. Step 6: Final answer
    x = 3,081.18

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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.