Home / 7,066.91-9,751.08-4,081.66

Finding the Fourth Proportional to 7,066.91, 9,751.08 and 4,081.66

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Solution

The fourth proportional to 7,066.91, 9,751.08 and 4,081.66 is: 5,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.91 : 9,751.08 = 4,081.66 : x
  2. Step 2: Convert to fraction form
    7,066.91/9,751.08 = 4,081.66/x
  3. Step 3: Cross multiply
    7,066.91x = 9,751.08 × 4,081.66
  4. Step 4: Simplify right side
    7,066.91x = 39,800,584.12
  5. Step 5: Solve for x
    x = 39,800,584.12/7,066.91
  6. Step 6: Final answer
    x = 5,631.96

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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.