Home / 5,912.15-8,863.43-2,403.80

Finding the Fourth Proportional to 5,912.15, 8,863.43 and 2,403.80

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Solution

The fourth proportional to 5,912.15, 8,863.43 and 2,403.80 is: 3,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.15 : 8,863.43 = 2,403.80 : x
  2. Step 2: Convert to fraction form
    5,912.15/8,863.43 = 2,403.80/x
  3. Step 3: Cross multiply
    5,912.15x = 8,863.43 × 2,403.80
  4. Step 4: Simplify right side
    5,912.15x = 21,305,914.86
  5. Step 5: Solve for x
    x = 21,305,914.86/5,912.15
  6. Step 6: Final answer
    x = 3,603.75

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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.