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Finding the Fourth Proportional to 3,319.84, 4,974.90 and 2,018.17

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Solution

The fourth proportional to 3,319.84, 4,974.90 and 2,018.17 is: 3,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.84 : 4,974.90 = 2,018.17 : x
  2. Step 2: Convert to fraction form
    3,319.84/4,974.90 = 2,018.17/x
  3. Step 3: Cross multiply
    3,319.84x = 4,974.90 × 2,018.17
  4. Step 4: Simplify right side
    3,319.84x = 10,040,193.93
  5. Step 5: Solve for x
    x = 10,040,193.93/3,319.84
  6. Step 6: Final answer
    x = 3,024.30

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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.