Home / 5,912.43-8,158.23-3,394.50

Finding the Fourth Proportional to 5,912.43, 8,158.23 and 3,394.50

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Solution

The fourth proportional to 5,912.43, 8,158.23 and 3,394.50 is: 4,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.43 : 8,158.23 = 3,394.50 : x
  2. Step 2: Convert to fraction form
    5,912.43/8,158.23 = 3,394.50/x
  3. Step 3: Cross multiply
    5,912.43x = 8,158.23 × 3,394.50
  4. Step 4: Simplify right side
    5,912.43x = 27,693,111.74
  5. Step 5: Solve for x
    x = 27,693,111.74/5,912.43
  6. Step 6: Final answer
    x = 4,683.88

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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.