Home / 5,174.76-7,761.60-1,476.75

Finding the Fourth Proportional to 5,174.76, 7,761.60 and 1,476.75

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Solution

The fourth proportional to 5,174.76, 7,761.60 and 1,476.75 is: 2,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.76 : 7,761.60 = 1,476.75 : x
  2. Step 2: Convert to fraction form
    5,174.76/7,761.60 = 1,476.75/x
  3. Step 3: Cross multiply
    5,174.76x = 7,761.60 × 1,476.75
  4. Step 4: Simplify right side
    5,174.76x = 11,461,942.80
  5. Step 5: Solve for x
    x = 11,461,942.80/5,174.76
  6. Step 6: Final answer
    x = 2,214.97

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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.