Home / 5,919.12-8,878.32-2,408.04

Finding the Fourth Proportional to 5,919.12, 8,878.32 and 2,408.04

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Solution

The fourth proportional to 5,919.12, 8,878.32 and 2,408.04 is: 3,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.12 : 8,878.32 = 2,408.04 : x
  2. Step 2: Convert to fraction form
    5,919.12/8,878.32 = 2,408.04/x
  3. Step 3: Cross multiply
    5,919.12x = 8,878.32 × 2,408.04
  4. Step 4: Simplify right side
    5,919.12x = 21,379,349.69
  5. Step 5: Solve for x
    x = 21,379,349.69/5,919.12
  6. Step 6: Final answer
    x = 3,611.91

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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.