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Finding the Fourth Proportional to 3,967.54, 5,471.43 and 2,373.94

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Solution

The fourth proportional to 3,967.54, 5,471.43 and 2,373.94 is: 3,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.54 : 5,471.43 = 2,373.94 : x
  2. Step 2: Convert to fraction form
    3,967.54/5,471.43 = 2,373.94/x
  3. Step 3: Cross multiply
    3,967.54x = 5,471.43 × 2,373.94
  4. Step 4: Simplify right side
    3,967.54x = 12,988,823.96
  5. Step 5: Solve for x
    x = 12,988,823.96/3,967.54
  6. Step 6: Final answer
    x = 3,273.77

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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.