Home / 7,932.39-11,900.40-2,738.25

Finding the Fourth Proportional to 7,932.39, 11,900.40 and 2,738.25

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Solution

The fourth proportional to 7,932.39, 11,900.40 and 2,738.25 is: 4,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.39 : 11,900.40 = 2,738.25 : x
  2. Step 2: Convert to fraction form
    7,932.39/11,900.40 = 2,738.25/x
  3. Step 3: Cross multiply
    7,932.39x = 11,900.40 × 2,738.25
  4. Step 4: Simplify right side
    7,932.39x = 32,586,270.30
  5. Step 5: Solve for x
    x = 32,586,270.30/7,932.39
  6. Step 6: Final answer
    x = 4,108.00

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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.