Home / 7,729.08-11,595.89-2,664.55

Finding the Fourth Proportional to 7,729.08, 11,595.89 and 2,664.55

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Solution

The fourth proportional to 7,729.08, 11,595.89 and 2,664.55 is: 3,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.08 : 11,595.89 = 2,664.55 : x
  2. Step 2: Convert to fraction form
    7,729.08/11,595.89 = 2,664.55/x
  3. Step 3: Cross multiply
    7,729.08x = 11,595.89 × 2,664.55
  4. Step 4: Simplify right side
    7,729.08x = 30,897,828.70
  5. Step 5: Solve for x
    x = 30,897,828.70/7,729.08
  6. Step 6: Final answer
    x = 3,997.61

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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.