Home / 7,728.96-11,593.89-3,048.65

Finding the Fourth Proportional to 7,728.96, 11,593.89 and 3,048.65

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Solution

The fourth proportional to 7,728.96, 11,593.89 and 3,048.65 is: 4,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.96 : 11,593.89 = 3,048.65 : x
  2. Step 2: Convert to fraction form
    7,728.96/11,593.89 = 3,048.65/x
  3. Step 3: Cross multiply
    7,728.96x = 11,593.89 × 3,048.65
  4. Step 4: Simplify right side
    7,728.96x = 35,345,654.78
  5. Step 5: Solve for x
    x = 35,345,654.78/7,728.96
  6. Step 6: Final answer
    x = 4,573.14

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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.