Home / 5,286.44-7,294.92-3,423.44

Finding the Fourth Proportional to 5,286.44, 7,294.92 and 3,423.44

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Solution

The fourth proportional to 5,286.44, 7,294.92 and 3,423.44 is: 4,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.44 : 7,294.92 = 3,423.44 : x
  2. Step 2: Convert to fraction form
    5,286.44/7,294.92 = 3,423.44/x
  3. Step 3: Cross multiply
    5,286.44x = 7,294.92 × 3,423.44
  4. Step 4: Simplify right side
    5,286.44x = 24,973,720.92
  5. Step 5: Solve for x
    x = 24,973,720.92/5,286.44
  6. Step 6: Final answer
    x = 4,724.11

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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.