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Finding the Fourth Proportional to 3,104.90, 4,657.37 and 796.40

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Solution

The fourth proportional to 3,104.90, 4,657.37 and 796.40 is: 1,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.90 : 4,657.37 = 796.40 : x
  2. Step 2: Convert to fraction form
    3,104.90/4,657.37 = 796.40/x
  3. Step 3: Cross multiply
    3,104.90x = 4,657.37 × 796.40
  4. Step 4: Simplify right side
    3,104.90x = 3,709,102.20
  5. Step 5: Solve for x
    x = 3,709,102.20/3,104.90
  6. Step 6: Final answer
    x = 1,194.60

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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.