Home / 4,982.12-7,469.52-2,386.88

Finding the Fourth Proportional to 4,982.12, 7,469.52 and 2,386.88

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Solution

The fourth proportional to 4,982.12, 7,469.52 and 2,386.88 is: 3,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.12 : 7,469.52 = 2,386.88 : x
  2. Step 2: Convert to fraction form
    4,982.12/7,469.52 = 2,386.88/x
  3. Step 3: Cross multiply
    4,982.12x = 7,469.52 × 2,386.88
  4. Step 4: Simplify right side
    4,982.12x = 17,828,847.90
  5. Step 5: Solve for x
    x = 17,828,847.90/4,982.12
  6. Step 6: Final answer
    x = 3,578.57

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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.