Home / 4,979.25-7,464.78-2,059.65

Finding the Fourth Proportional to 4,979.25, 7,464.78 and 2,059.65

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Solution

The fourth proportional to 4,979.25, 7,464.78 and 2,059.65 is: 3,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.25 : 7,464.78 = 2,059.65 : x
  2. Step 2: Convert to fraction form
    4,979.25/7,464.78 = 2,059.65/x
  3. Step 3: Cross multiply
    4,979.25x = 7,464.78 × 2,059.65
  4. Step 4: Simplify right side
    4,979.25x = 15,374,834.13
  5. Step 5: Solve for x
    x = 15,374,834.13/4,979.25
  6. Step 6: Final answer
    x = 3,087.78

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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.