Home / 5,186.33-7,776.35-2,066.81

Finding the Fourth Proportional to 5,186.33, 7,776.35 and 2,066.81

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Solution

The fourth proportional to 5,186.33, 7,776.35 and 2,066.81 is: 3,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.33 : 7,776.35 = 2,066.81 : x
  2. Step 2: Convert to fraction form
    5,186.33/7,776.35 = 2,066.81/x
  3. Step 3: Cross multiply
    5,186.33x = 7,776.35 × 2,066.81
  4. Step 4: Simplify right side
    5,186.33x = 16,072,188.73
  5. Step 5: Solve for x
    x = 16,072,188.73/5,186.33
  6. Step 6: Final answer
    x = 3,098.96

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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.