Home / 6,170.68-8,512.36-4,180.56

Finding the Fourth Proportional to 6,170.68, 8,512.36 and 4,180.56

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Solution

The fourth proportional to 6,170.68, 8,512.36 and 4,180.56 is: 5,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.68 : 8,512.36 = 4,180.56 : x
  2. Step 2: Convert to fraction form
    6,170.68/8,512.36 = 4,180.56/x
  3. Step 3: Cross multiply
    6,170.68x = 8,512.36 × 4,180.56
  4. Step 4: Simplify right side
    6,170.68x = 35,586,431.72
  5. Step 5: Solve for x
    x = 35,586,431.72/6,170.68
  6. Step 6: Final answer
    x = 5,767.02

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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.