Home / 4,942.30-7,401.30-4,723.60

Finding the Fourth Proportional to 4,942.30, 7,401.30 and 4,723.60

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Solution

The fourth proportional to 4,942.30, 7,401.30 and 4,723.60 is: 7,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.30 : 7,401.30 = 4,723.60 : x
  2. Step 2: Convert to fraction form
    4,942.30/7,401.30 = 4,723.60/x
  3. Step 3: Cross multiply
    4,942.30x = 7,401.30 × 4,723.60
  4. Step 4: Simplify right side
    4,942.30x = 34,960,780.68
  5. Step 5: Solve for x
    x = 34,960,780.68/4,942.30
  6. Step 6: Final answer
    x = 7,073.79

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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.