Home / 7,736.39-11,605.67-3,839.75

Finding the Fourth Proportional to 7,736.39, 11,605.67 and 3,839.75

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Solution

The fourth proportional to 7,736.39, 11,605.67 and 3,839.75 is: 5,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.39 : 11,605.67 = 3,839.75 : x
  2. Step 2: Convert to fraction form
    7,736.39/11,605.67 = 3,839.75/x
  3. Step 3: Cross multiply
    7,736.39x = 11,605.67 × 3,839.75
  4. Step 4: Simplify right side
    7,736.39x = 44,562,871.38
  5. Step 5: Solve for x
    x = 44,562,871.38/7,736.39
  6. Step 6: Final answer
    x = 5,760.16

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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.