Home / 5,009.75-6,912.91-2,771.27

Finding the Fourth Proportional to 5,009.75, 6,912.91 and 2,771.27

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Solution

The fourth proportional to 5,009.75, 6,912.91 and 2,771.27 is: 3,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.75 : 6,912.91 = 2,771.27 : x
  2. Step 2: Convert to fraction form
    5,009.75/6,912.91 = 2,771.27/x
  3. Step 3: Cross multiply
    5,009.75x = 6,912.91 × 2,771.27
  4. Step 4: Simplify right side
    5,009.75x = 19,157,540.10
  5. Step 5: Solve for x
    x = 19,157,540.10/5,009.75
  6. Step 6: Final answer
    x = 3,824.05

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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.