Home / 7,654.29-11,479.55-2,107.37

Finding the Fourth Proportional to 7,654.29, 11,479.55 and 2,107.37

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Solution

The fourth proportional to 7,654.29, 11,479.55 and 2,107.37 is: 3,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.29 : 11,479.55 = 2,107.37 : x
  2. Step 2: Convert to fraction form
    7,654.29/11,479.55 = 2,107.37/x
  3. Step 3: Cross multiply
    7,654.29x = 11,479.55 × 2,107.37
  4. Step 4: Simplify right side
    7,654.29x = 24,191,591.35
  5. Step 5: Solve for x
    x = 24,191,591.35/7,654.29
  6. Step 6: Final answer
    x = 3,160.53

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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.