Home / 3,346.82-4,618.71-1,930.97

Finding the Fourth Proportional to 3,346.82, 4,618.71 and 1,930.97

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Solution

The fourth proportional to 3,346.82, 4,618.71 and 1,930.97 is: 2,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.82 : 4,618.71 = 1,930.97 : x
  2. Step 2: Convert to fraction form
    3,346.82/4,618.71 = 1,930.97/x
  3. Step 3: Cross multiply
    3,346.82x = 4,618.71 × 1,930.97
  4. Step 4: Simplify right side
    3,346.82x = 8,918,567.36
  5. Step 5: Solve for x
    x = 8,918,567.36/3,346.82
  6. Step 6: Final answer
    x = 2,664.79

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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.