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Finding the Fourth Proportional to 4,287.84, 5,913.36 and 2,694.64

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Solution

The fourth proportional to 4,287.84, 5,913.36 and 2,694.64 is: 3,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.84 : 5,913.36 = 2,694.64 : x
  2. Step 2: Convert to fraction form
    4,287.84/5,913.36 = 2,694.64/x
  3. Step 3: Cross multiply
    4,287.84x = 5,913.36 × 2,694.64
  4. Step 4: Simplify right side
    4,287.84x = 15,934,376.39
  5. Step 5: Solve for x
    x = 15,934,376.39/4,287.84
  6. Step 6: Final answer
    x = 3,716.18

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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.