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Finding the Fourth Proportional to 3,473.71, 5,208.12 and 1,282.15

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Solution

The fourth proportional to 3,473.71, 5,208.12 and 1,282.15 is: 1,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.71 : 5,208.12 = 1,282.15 : x
  2. Step 2: Convert to fraction form
    3,473.71/5,208.12 = 1,282.15/x
  3. Step 3: Cross multiply
    3,473.71x = 5,208.12 × 1,282.15
  4. Step 4: Simplify right side
    3,473.71x = 6,677,591.06
  5. Step 5: Solve for x
    x = 6,677,591.06/3,473.71
  6. Step 6: Final answer
    x = 1,922.32

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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.