Home / 4,622.11-6,380.61-2,945.81

Finding the Fourth Proportional to 4,622.11, 6,380.61 and 2,945.81

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Solution

The fourth proportional to 4,622.11, 6,380.61 and 2,945.81 is: 4,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.11 : 6,380.61 = 2,945.81 : x
  2. Step 2: Convert to fraction form
    4,622.11/6,380.61 = 2,945.81/x
  3. Step 3: Cross multiply
    4,622.11x = 6,380.61 × 2,945.81
  4. Step 4: Simplify right side
    4,622.11x = 18,796,069.65
  5. Step 5: Solve for x
    x = 18,796,069.65/4,622.11
  6. Step 6: Final answer
    x = 4,066.56

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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.