Home / 5,912.19-8,158.73-3,394.31

Finding the Fourth Proportional to 5,912.19, 8,158.73 and 3,394.31

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Solution

The fourth proportional to 5,912.19, 8,158.73 and 3,394.31 is: 4,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.19 : 8,158.73 = 3,394.31 : x
  2. Step 2: Convert to fraction form
    5,912.19/8,158.73 = 3,394.31/x
  3. Step 3: Cross multiply
    5,912.19x = 8,158.73 × 3,394.31
  4. Step 4: Simplify right side
    5,912.19x = 27,693,201.06
  5. Step 5: Solve for x
    x = 27,693,201.06/5,912.19
  6. Step 6: Final answer
    x = 4,684.09

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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.