Home / 4,168.48-5,750.34-3,172.12

Finding the Fourth Proportional to 4,168.48, 5,750.34 and 3,172.12

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Solution

The fourth proportional to 4,168.48, 5,750.34 and 3,172.12 is: 4,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.48 : 5,750.34 = 3,172.12 : x
  2. Step 2: Convert to fraction form
    4,168.48/5,750.34 = 3,172.12/x
  3. Step 3: Cross multiply
    4,168.48x = 5,750.34 × 3,172.12
  4. Step 4: Simplify right side
    4,168.48x = 18,240,768.52
  5. Step 5: Solve for x
    x = 18,240,768.52/4,168.48
  6. Step 6: Final answer
    x = 4,375.88

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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.