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Finding the Fourth Proportional to 2,137.36, 3,205.68 and 598

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Solution

The fourth proportional to 2,137.36, 3,205.68 and 598 is: 896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.36 : 3,205.68 = 598 : x
  2. Step 2: Convert to fraction form
    2,137.36/3,205.68 = 598/x
  3. Step 3: Cross multiply
    2,137.36x = 3,205.68 × 598
  4. Step 4: Simplify right side
    2,137.36x = 1,916,996.64
  5. Step 5: Solve for x
    x = 1,916,996.64/2,137.36
  6. Step 6: Final answer
    x = 896.90

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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.