Home / 7,408.22-11,108.49-2,726.60

Finding the Fourth Proportional to 7,408.22, 11,108.49 and 2,726.60

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Solution

The fourth proportional to 7,408.22, 11,108.49 and 2,726.60 is: 4,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.22 : 11,108.49 = 2,726.60 : x
  2. Step 2: Convert to fraction form
    7,408.22/11,108.49 = 2,726.60/x
  3. Step 3: Cross multiply
    7,408.22x = 11,108.49 × 2,726.60
  4. Step 4: Simplify right side
    7,408.22x = 30,288,353.29
  5. Step 5: Solve for x
    x = 30,288,353.29/7,408.22
  6. Step 6: Final answer
    x = 4,088.48

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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.