Home / 6,107.43-8,428.44-3,418.60

Finding the Fourth Proportional to 6,107.43, 8,428.44 and 3,418.60

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Solution

The fourth proportional to 6,107.43, 8,428.44 and 3,418.60 is: 4,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.43 : 8,428.44 = 3,418.60 : x
  2. Step 2: Convert to fraction form
    6,107.43/8,428.44 = 3,418.60/x
  3. Step 3: Cross multiply
    6,107.43x = 8,428.44 × 3,418.60
  4. Step 4: Simplify right side
    6,107.43x = 28,813,447.89
  5. Step 5: Solve for x
    x = 28,813,447.89/6,107.43
  6. Step 6: Final answer
    x = 4,717.77

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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.