Home / 7,763.05-11,644.56-2,568.93

Finding the Fourth Proportional to 7,763.05, 11,644.56 and 2,568.93

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Solution

The fourth proportional to 7,763.05, 11,644.56 and 2,568.93 is: 3,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.05 : 11,644.56 = 2,568.93 : x
  2. Step 2: Convert to fraction form
    7,763.05/11,644.56 = 2,568.93/x
  3. Step 3: Cross multiply
    7,763.05x = 11,644.56 × 2,568.93
  4. Step 4: Simplify right side
    7,763.05x = 29,914,059.52
  5. Step 5: Solve for x
    x = 29,914,059.52/7,763.05
  6. Step 6: Final answer
    x = 3,853.39

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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.