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Finding the Fourth Proportional to 3,416.84, 5,125 and 951.44

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Solution

The fourth proportional to 3,416.84, 5,125 and 951.44 is: 1,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.84 : 5,125 = 951.44 : x
  2. Step 2: Convert to fraction form
    3,416.84/5,125 = 951.44/x
  3. Step 3: Cross multiply
    3,416.84x = 5,125 × 951.44
  4. Step 4: Simplify right side
    3,416.84x = 4,876,130
  5. Step 5: Solve for x
    x = 4,876,130/3,416.84
  6. Step 6: Final answer
    x = 1,427.09

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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.