Home / 5,243.94-7,234.11-3,256.81

Finding the Fourth Proportional to 5,243.94, 7,234.11 and 3,256.81

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Solution

The fourth proportional to 5,243.94, 7,234.11 and 3,256.81 is: 4,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.94 : 7,234.11 = 3,256.81 : x
  2. Step 2: Convert to fraction form
    5,243.94/7,234.11 = 3,256.81/x
  3. Step 3: Cross multiply
    5,243.94x = 7,234.11 × 3,256.81
  4. Step 4: Simplify right side
    5,243.94x = 23,560,103.70
  5. Step 5: Solve for x
    x = 23,560,103.70/5,243.94
  6. Step 6: Final answer
    x = 4,492.82

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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.