Home / 4,974.39-6,864.79-2,736.41

Finding the Fourth Proportional to 4,974.39, 6,864.79 and 2,736.41

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Solution

The fourth proportional to 4,974.39, 6,864.79 and 2,736.41 is: 3,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.39 : 6,864.79 = 2,736.41 : x
  2. Step 2: Convert to fraction form
    4,974.39/6,864.79 = 2,736.41/x
  3. Step 3: Cross multiply
    4,974.39x = 6,864.79 × 2,736.41
  4. Step 4: Simplify right side
    4,974.39x = 18,784,845.68
  5. Step 5: Solve for x
    x = 18,784,845.68/4,974.39
  6. Step 6: Final answer
    x = 3,776.31

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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.