Home / 5,321.52-7,344.81-3,197.15

Finding the Fourth Proportional to 5,321.52, 7,344.81 and 3,197.15

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Solution

The fourth proportional to 5,321.52, 7,344.81 and 3,197.15 is: 4,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.52 : 7,344.81 = 3,197.15 : x
  2. Step 2: Convert to fraction form
    5,321.52/7,344.81 = 3,197.15/x
  3. Step 3: Cross multiply
    5,321.52x = 7,344.81 × 3,197.15
  4. Step 4: Simplify right side
    5,321.52x = 23,482,422.57
  5. Step 5: Solve for x
    x = 23,482,422.57/5,321.52
  6. Step 6: Final answer
    x = 4,412.73

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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.