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Finding the Fourth Proportional to 3,998.44, 5,997.58 and 1,401.32

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Solution

The fourth proportional to 3,998.44, 5,997.58 and 1,401.32 is: 2,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.44 : 5,997.58 = 1,401.32 : x
  2. Step 2: Convert to fraction form
    3,998.44/5,997.58 = 1,401.32/x
  3. Step 3: Cross multiply
    3,998.44x = 5,997.58 × 1,401.32
  4. Step 4: Simplify right side
    3,998.44x = 8,404,528.81
  5. Step 5: Solve for x
    x = 8,404,528.81/3,998.44
  6. Step 6: Final answer
    x = 2,101.95

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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.