Home / 3,394.60-5,092.70-1,086.12

Finding the Fourth Proportional to 3,394.60, 5,092.70 and 1,086.12

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Solution

The fourth proportional to 3,394.60, 5,092.70 and 1,086.12 is: 1,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.60 : 5,092.70 = 1,086.12 : x
  2. Step 2: Convert to fraction form
    3,394.60/5,092.70 = 1,086.12/x
  3. Step 3: Cross multiply
    3,394.60x = 5,092.70 × 1,086.12
  4. Step 4: Simplify right side
    3,394.60x = 5,531,283.32
  5. Step 5: Solve for x
    x = 5,531,283.32/3,394.60
  6. Step 6: Final answer
    x = 1,629.44

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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.