Home / 4,089.35-6,118.07-3,591.80

Finding the Fourth Proportional to 4,089.35, 6,118.07 and 3,591.80

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Solution

The fourth proportional to 4,089.35, 6,118.07 and 3,591.80 is: 5,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.35 : 6,118.07 = 3,591.80 : x
  2. Step 2: Convert to fraction form
    4,089.35/6,118.07 = 3,591.80/x
  3. Step 3: Cross multiply
    4,089.35x = 6,118.07 × 3,591.80
  4. Step 4: Simplify right side
    4,089.35x = 21,974,835.28
  5. Step 5: Solve for x
    x = 21,974,835.28/4,089.35
  6. Step 6: Final answer
    x = 5,373.68

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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.