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Finding the Fourth Proportional to 2,794.93, 4,192.26 and 847.07

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Solution

The fourth proportional to 2,794.93, 4,192.26 and 847.07 is: 1,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.93 : 4,192.26 = 847.07 : x
  2. Step 2: Convert to fraction form
    2,794.93/4,192.26 = 847.07/x
  3. Step 3: Cross multiply
    2,794.93x = 4,192.26 × 847.07
  4. Step 4: Simplify right side
    2,794.93x = 3,551,137.68
  5. Step 5: Solve for x
    x = 3,551,137.68/2,794.93
  6. Step 6: Final answer
    x = 1,270.56

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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.