Home / 5,887.39-8,124.57-3,198.55

Finding the Fourth Proportional to 5,887.39, 8,124.57 and 3,198.55

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Solution

The fourth proportional to 5,887.39, 8,124.57 and 3,198.55 is: 4,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.39 : 8,124.57 = 3,198.55 : x
  2. Step 2: Convert to fraction form
    5,887.39/8,124.57 = 3,198.55/x
  3. Step 3: Cross multiply
    5,887.39x = 8,124.57 × 3,198.55
  4. Step 4: Simplify right side
    5,887.39x = 25,986,843.37
  5. Step 5: Solve for x
    x = 25,986,843.37/5,887.39
  6. Step 6: Final answer
    x = 4,413.98

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1.5x scale

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.