Home / 5,168.03-7,131.52-3,071.75

Finding the Fourth Proportional to 5,168.03, 7,131.52 and 3,071.75

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Solution

The fourth proportional to 5,168.03, 7,131.52 and 3,071.75 is: 4,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.03 : 7,131.52 = 3,071.75 : x
  2. Step 2: Convert to fraction form
    5,168.03/7,131.52 = 3,071.75/x
  3. Step 3: Cross multiply
    5,168.03x = 7,131.52 × 3,071.75
  4. Step 4: Simplify right side
    5,168.03x = 21,906,246.56
  5. Step 5: Solve for x
    x = 21,906,246.56/5,168.03
  6. Step 6: Final answer
    x = 4,238.80

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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.