Home / 5,311.09-7,960.63-2,674.41

Finding the Fourth Proportional to 5,311.09, 7,960.63 and 2,674.41

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Solution

The fourth proportional to 5,311.09, 7,960.63 and 2,674.41 is: 4,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.09 : 7,960.63 = 2,674.41 : x
  2. Step 2: Convert to fraction form
    5,311.09/7,960.63 = 2,674.41/x
  3. Step 3: Cross multiply
    5,311.09x = 7,960.63 × 2,674.41
  4. Step 4: Simplify right side
    5,311.09x = 21,289,935.30
  5. Step 5: Solve for x
    x = 21,289,935.30/5,311.09
  6. Step 6: Final answer
    x = 4,008.58

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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.