Home / 7,825.65-11,730.97-2,627.88

Finding the Fourth Proportional to 7,825.65, 11,730.97 and 2,627.88

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Solution

The fourth proportional to 7,825.65, 11,730.97 and 2,627.88 is: 3,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.65 : 11,730.97 = 2,627.88 : x
  2. Step 2: Convert to fraction form
    7,825.65/11,730.97 = 2,627.88/x
  3. Step 3: Cross multiply
    7,825.65x = 11,730.97 × 2,627.88
  4. Step 4: Simplify right side
    7,825.65x = 30,827,581.44
  5. Step 5: Solve for x
    x = 30,827,581.44/7,825.65
  6. Step 6: Final answer
    x = 3,939.30

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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.