Home / 2,771.08-4,150.56-2,149.93

Finding the Fourth Proportional to 2,771.08, 4,150.56 and 2,149.93

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Solution

The fourth proportional to 2,771.08, 4,150.56 and 2,149.93 is: 3,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.08 : 4,150.56 = 2,149.93 : x
  2. Step 2: Convert to fraction form
    2,771.08/4,150.56 = 2,149.93/x
  3. Step 3: Cross multiply
    2,771.08x = 4,150.56 × 2,149.93
  4. Step 4: Simplify right side
    2,771.08x = 8,923,413.46
  5. Step 5: Solve for x
    x = 8,923,413.46/2,771.08
  6. Step 6: Final answer
    x = 3,220.19

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1.5x scale

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.