Home / 5,271.26-7,270.38-3,677.99

Finding the Fourth Proportional to 5,271.26, 7,270.38 and 3,677.99

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Solution

The fourth proportional to 5,271.26, 7,270.38 and 3,677.99 is: 5,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.26 : 7,270.38 = 3,677.99 : x
  2. Step 2: Convert to fraction form
    5,271.26/7,270.38 = 3,677.99/x
  3. Step 3: Cross multiply
    5,271.26x = 7,270.38 × 3,677.99
  4. Step 4: Simplify right side
    5,271.26x = 26,740,348.58
  5. Step 5: Solve for x
    x = 26,740,348.58/5,271.26
  6. Step 6: Final answer
    x = 5,072.86

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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.