Home / 5,550.18-7,660.89-3,193.98

Finding the Fourth Proportional to 5,550.18, 7,660.89 and 3,193.98

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Solution

The fourth proportional to 5,550.18, 7,660.89 and 3,193.98 is: 4,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.18 : 7,660.89 = 3,193.98 : x
  2. Step 2: Convert to fraction form
    5,550.18/7,660.89 = 3,193.98/x
  3. Step 3: Cross multiply
    5,550.18x = 7,660.89 × 3,193.98
  4. Step 4: Simplify right side
    5,550.18x = 24,468,729.44
  5. Step 5: Solve for x
    x = 24,468,729.44/5,550.18
  6. Step 6: Final answer
    x = 4,408.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.