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Finding the Fourth Proportional to 2,794.83, 4,192.36 and 847.03

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Solution

The fourth proportional to 2,794.83, 4,192.36 and 847.03 is: 1,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.83 : 4,192.36 = 847.03 : x
  2. Step 2: Convert to fraction form
    2,794.83/4,192.36 = 847.03/x
  3. Step 3: Cross multiply
    2,794.83x = 4,192.36 × 847.03
  4. Step 4: Simplify right side
    2,794.83x = 3,551,054.69
  5. Step 5: Solve for x
    x = 3,551,054.69/2,794.83
  6. Step 6: Final answer
    x = 1,270.58

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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.