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Finding the Fourth Proportional to 2,170.44, 3,256.08 and 937.92

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Solution

The fourth proportional to 2,170.44, 3,256.08 and 937.92 is: 1,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.44 : 3,256.08 = 937.92 : x
  2. Step 2: Convert to fraction form
    2,170.44/3,256.08 = 937.92/x
  3. Step 3: Cross multiply
    2,170.44x = 3,256.08 × 937.92
  4. Step 4: Simplify right side
    2,170.44x = 3,053,942.55
  5. Step 5: Solve for x
    x = 3,053,942.55/2,170.44
  6. Step 6: Final answer
    x = 1,407.06

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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.