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Finding the Fourth Proportional to 3,185.76, 4,770.04 and 1,797.02

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Solution

The fourth proportional to 3,185.76, 4,770.04 and 1,797.02 is: 2,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.76 : 4,770.04 = 1,797.02 : x
  2. Step 2: Convert to fraction form
    3,185.76/4,770.04 = 1,797.02/x
  3. Step 3: Cross multiply
    3,185.76x = 4,770.04 × 1,797.02
  4. Step 4: Simplify right side
    3,185.76x = 8,571,857.28
  5. Step 5: Solve for x
    x = 8,571,857.28/3,185.76
  6. Step 6: Final answer
    x = 2,690.68

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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.