Home / 7,631.92-11,450.08-3,738.48

Finding the Fourth Proportional to 7,631.92, 11,450.08 and 3,738.48

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Solution

The fourth proportional to 7,631.92, 11,450.08 and 3,738.48 is: 5,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.92 : 11,450.08 = 3,738.48 : x
  2. Step 2: Convert to fraction form
    7,631.92/11,450.08 = 3,738.48/x
  3. Step 3: Cross multiply
    7,631.92x = 11,450.08 × 3,738.48
  4. Step 4: Simplify right side
    7,631.92x = 42,805,895.08
  5. Step 5: Solve for x
    x = 42,805,895.08/7,631.92
  6. Step 6: Final answer
    x = 5,608.80

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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.