Home / 4,121.96-6,146.18-3,664.04

Finding the Fourth Proportional to 4,121.96, 6,146.18 and 3,664.04

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Solution

The fourth proportional to 4,121.96, 6,146.18 and 3,664.04 is: 5,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.96 : 6,146.18 = 3,664.04 : x
  2. Step 2: Convert to fraction form
    4,121.96/6,146.18 = 3,664.04/x
  3. Step 3: Cross multiply
    4,121.96x = 6,146.18 × 3,664.04
  4. Step 4: Simplify right side
    4,121.96x = 22,519,849.37
  5. Step 5: Solve for x
    x = 22,519,849.37/4,121.96
  6. Step 6: Final answer
    x = 5,463.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.