Home / 5,169.67-7,754.65-1,885.22

Finding the Fourth Proportional to 5,169.67, 7,754.65 and 1,885.22

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Solution

The fourth proportional to 5,169.67, 7,754.65 and 1,885.22 is: 2,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.67 : 7,754.65 = 1,885.22 : x
  2. Step 2: Convert to fraction form
    5,169.67/7,754.65 = 1,885.22/x
  3. Step 3: Cross multiply
    5,169.67x = 7,754.65 × 1,885.22
  4. Step 4: Simplify right side
    5,169.67x = 14,619,177.79
  5. Step 5: Solve for x
    x = 14,619,177.79/5,169.67
  6. Step 6: Final answer
    x = 2,827.88

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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.