Home / 7,400.74-11,105.48-2,724.03

Finding the Fourth Proportional to 7,400.74, 11,105.48 and 2,724.03

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Solution

The fourth proportional to 7,400.74, 11,105.48 and 2,724.03 is: 4,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.74 : 11,105.48 = 2,724.03 : x
  2. Step 2: Convert to fraction form
    7,400.74/11,105.48 = 2,724.03/x
  3. Step 3: Cross multiply
    7,400.74x = 11,105.48 × 2,724.03
  4. Step 4: Simplify right side
    7,400.74x = 30,251,667.49
  5. Step 5: Solve for x
    x = 30,251,667.49/7,400.74
  6. Step 6: Final answer
    x = 4,087.66

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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.