Home / 5,197.26-7,174.67-3,938.52

Finding the Fourth Proportional to 5,197.26, 7,174.67 and 3,938.52

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Solution

The fourth proportional to 5,197.26, 7,174.67 and 3,938.52 is: 5,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.26 : 7,174.67 = 3,938.52 : x
  2. Step 2: Convert to fraction form
    5,197.26/7,174.67 = 3,938.52/x
  3. Step 3: Cross multiply
    5,197.26x = 7,174.67 × 3,938.52
  4. Step 4: Simplify right side
    5,197.26x = 28,257,561.60
  5. Step 5: Solve for x
    x = 28,257,561.60/5,197.26
  6. Step 6: Final answer
    x = 5,437.01

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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.