Home / 7,408.13-11,105.61-2,727.03

Finding the Fourth Proportional to 7,408.13, 11,105.61 and 2,727.03

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Solution

The fourth proportional to 7,408.13, 11,105.61 and 2,727.03 is: 4,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.13 : 11,105.61 = 2,727.03 : x
  2. Step 2: Convert to fraction form
    7,408.13/11,105.61 = 2,727.03/x
  3. Step 3: Cross multiply
    7,408.13x = 11,105.61 × 2,727.03
  4. Step 4: Simplify right side
    7,408.13x = 30,285,316.21
  5. Step 5: Solve for x
    x = 30,285,316.21/7,408.13
  6. Step 6: Final answer
    x = 4,088.12

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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.