Home / 5,320.36-7,343.76-3,197.44

Finding the Fourth Proportional to 5,320.36, 7,343.76 and 3,197.44

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Solution

The fourth proportional to 5,320.36, 7,343.76 and 3,197.44 is: 4,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.36 : 7,343.76 = 3,197.44 : x
  2. Step 2: Convert to fraction form
    5,320.36/7,343.76 = 3,197.44/x
  3. Step 3: Cross multiply
    5,320.36x = 7,343.76 × 3,197.44
  4. Step 4: Simplify right side
    5,320.36x = 23,481,231.97
  5. Step 5: Solve for x
    x = 23,481,231.97/5,320.36
  6. Step 6: Final answer
    x = 4,413.47

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1.5x scale

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.