Home / 2,446.41-3,671.70-986.61

Finding the Fourth Proportional to 2,446.41, 3,671.70 and 986.61

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Solution

The fourth proportional to 2,446.41, 3,671.70 and 986.61 is: 1,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.41 : 3,671.70 = 986.61 : x
  2. Step 2: Convert to fraction form
    2,446.41/3,671.70 = 986.61/x
  3. Step 3: Cross multiply
    2,446.41x = 3,671.70 × 986.61
  4. Step 4: Simplify right side
    2,446.41x = 3,622,535.94
  5. Step 5: Solve for x
    x = 3,622,535.94/2,446.41
  6. Step 6: Final answer
    x = 1,480.76

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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.