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Finding the Fourth Proportional to 3,137.17, 4,705.75 and 797.35

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Solution

The fourth proportional to 3,137.17, 4,705.75 and 797.35 is: 1,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.17 : 4,705.75 = 797.35 : x
  2. Step 2: Convert to fraction form
    3,137.17/4,705.75 = 797.35/x
  3. Step 3: Cross multiply
    3,137.17x = 4,705.75 × 797.35
  4. Step 4: Simplify right side
    3,137.17x = 3,752,129.76
  5. Step 5: Solve for x
    x = 3,752,129.76/3,137.17
  6. Step 6: Final answer
    x = 1,196.02

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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.