Home / 4,936.91-7,407.41-2,162.15

Finding the Fourth Proportional to 4,936.91, 7,407.41 and 2,162.15

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Solution

The fourth proportional to 4,936.91, 7,407.41 and 2,162.15 is: 3,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.91 : 7,407.41 = 2,162.15 : x
  2. Step 2: Convert to fraction form
    4,936.91/7,407.41 = 2,162.15/x
  3. Step 3: Cross multiply
    4,936.91x = 7,407.41 × 2,162.15
  4. Step 4: Simplify right side
    4,936.91x = 16,015,955.46
  5. Step 5: Solve for x
    x = 16,015,955.46/4,936.91
  6. Step 6: Final answer
    x = 3,244.12

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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.