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Finding the Fourth Proportional to 2,792.75, 4,189.26 and 844.97

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Solution

The fourth proportional to 2,792.75, 4,189.26 and 844.97 is: 1,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.75 : 4,189.26 = 844.97 : x
  2. Step 2: Convert to fraction form
    2,792.75/4,189.26 = 844.97/x
  3. Step 3: Cross multiply
    2,792.75x = 4,189.26 × 844.97
  4. Step 4: Simplify right side
    2,792.75x = 3,539,799.02
  5. Step 5: Solve for x
    x = 3,539,799.02/2,792.75
  6. Step 6: Final answer
    x = 1,267.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,793.75, 4,190.76 and 845.97
Similar ratio
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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.