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Finding the Fourth Proportional to 2,558, 3,837 and 734

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Solution

The fourth proportional to 2,558, 3,837 and 734 is: 1,101

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558 : 3,837 = 734 : x
  2. Step 2: Convert to fraction form
    2,558/3,837 = 734/x
  3. Step 3: Cross multiply
    2,558x = 3,837 × 734
  4. Step 4: Simplify right side
    2,558x = 2,816,358
  5. Step 5: Solve for x
    x = 2,816,358/2,558
  6. Step 6: Final answer
    x = 1,101

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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.