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Finding the Fourth Proportional to 2,197.94, 3,296.90 and 1,853.48

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Solution

The fourth proportional to 2,197.94, 3,296.90 and 1,853.48 is: 2,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.94 : 3,296.90 = 1,853.48 : x
  2. Step 2: Convert to fraction form
    2,197.94/3,296.90 = 1,853.48/x
  3. Step 3: Cross multiply
    2,197.94x = 3,296.90 × 1,853.48
  4. Step 4: Simplify right side
    2,197.94x = 6,110,751.09
  5. Step 5: Solve for x
    x = 6,110,751.09/2,197.94
  6. Step 6: Final answer
    x = 2,780.22

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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.