Home / 5,072.13-7,601.61-2,066.66

Finding the Fourth Proportional to 5,072.13, 7,601.61 and 2,066.66

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Solution

The fourth proportional to 5,072.13, 7,601.61 and 2,066.66 is: 3,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.13 : 7,601.61 = 2,066.66 : x
  2. Step 2: Convert to fraction form
    5,072.13/7,601.61 = 2,066.66/x
  3. Step 3: Cross multiply
    5,072.13x = 7,601.61 × 2,066.66
  4. Step 4: Simplify right side
    5,072.13x = 15,709,974.64
  5. Step 5: Solve for x
    x = 15,709,974.64/5,072.13
  6. Step 6: Final answer
    x = 3,097.31

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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.