Home / 5,289.21-7,933.91-2,003.85

Finding the Fourth Proportional to 5,289.21, 7,933.91 and 2,003.85

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Solution

The fourth proportional to 5,289.21, 7,933.91 and 2,003.85 is: 3,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.21 : 7,933.91 = 2,003.85 : x
  2. Step 2: Convert to fraction form
    5,289.21/7,933.91 = 2,003.85/x
  3. Step 3: Cross multiply
    5,289.21x = 7,933.91 × 2,003.85
  4. Step 4: Simplify right side
    5,289.21x = 15,898,355.53
  5. Step 5: Solve for x
    x = 15,898,355.53/5,289.21
  6. Step 6: Final answer
    x = 3,005.81

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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.