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Finding the Fourth Proportional to 3,784.22, 5,674.37 and 1,702.44

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Solution

The fourth proportional to 3,784.22, 5,674.37 and 1,702.44 is: 2,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.22 : 5,674.37 = 1,702.44 : x
  2. Step 2: Convert to fraction form
    3,784.22/5,674.37 = 1,702.44/x
  3. Step 3: Cross multiply
    3,784.22x = 5,674.37 × 1,702.44
  4. Step 4: Simplify right side
    3,784.22x = 9,660,265.95
  5. Step 5: Solve for x
    x = 9,660,265.95/3,784.22
  6. Step 6: Final answer
    x = 2,552.78

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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.