Home / 7,822.32-11,731.04-2,627.04

Finding the Fourth Proportional to 7,822.32, 11,731.04 and 2,627.04

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Solution

The fourth proportional to 7,822.32, 11,731.04 and 2,627.04 is: 3,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.32 : 11,731.04 = 2,627.04 : x
  2. Step 2: Convert to fraction form
    7,822.32/11,731.04 = 2,627.04/x
  3. Step 3: Cross multiply
    7,822.32x = 11,731.04 × 2,627.04
  4. Step 4: Simplify right side
    7,822.32x = 30,817,911.32
  5. Step 5: Solve for x
    x = 30,817,911.32/7,822.32
  6. Step 6: Final answer
    x = 3,939.74

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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.