Home / 5,942.21-8,199.95-3,289.79

Finding the Fourth Proportional to 5,942.21, 8,199.95 and 3,289.79

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Solution

The fourth proportional to 5,942.21, 8,199.95 and 3,289.79 is: 4,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.21 : 8,199.95 = 3,289.79 : x
  2. Step 2: Convert to fraction form
    5,942.21/8,199.95 = 3,289.79/x
  3. Step 3: Cross multiply
    5,942.21x = 8,199.95 × 3,289.79
  4. Step 4: Simplify right side
    5,942.21x = 26,976,117.56
  5. Step 5: Solve for x
    x = 26,976,117.56/5,942.21
  6. Step 6: Final answer
    x = 4,539.75

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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.