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Finding the Fourth Proportional to 3,474.54, 4,794.84 and 2,148.26

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Solution

The fourth proportional to 3,474.54, 4,794.84 and 2,148.26 is: 2,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.54 : 4,794.84 = 2,148.26 : x
  2. Step 2: Convert to fraction form
    3,474.54/4,794.84 = 2,148.26/x
  3. Step 3: Cross multiply
    3,474.54x = 4,794.84 × 2,148.26
  4. Step 4: Simplify right side
    3,474.54x = 10,300,539.00
  5. Step 5: Solve for x
    x = 10,300,539.00/3,474.54
  6. Step 6: Final answer
    x = 2,964.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.