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Finding the Fourth Proportional to 4,930.26, 6,799.91 and 2,940.39

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Solution

The fourth proportional to 4,930.26, 6,799.91 and 2,940.39 is: 4,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.26 : 6,799.91 = 2,940.39 : x
  2. Step 2: Convert to fraction form
    4,930.26/6,799.91 = 2,940.39/x
  3. Step 3: Cross multiply
    4,930.26x = 6,799.91 × 2,940.39
  4. Step 4: Simplify right side
    4,930.26x = 19,994,387.36
  5. Step 5: Solve for x
    x = 19,994,387.36/4,930.26
  6. Step 6: Final answer
    x = 4,055.44

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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.