Home / 7,202.12-10,791.23-4,422.90

Finding the Fourth Proportional to 7,202.12, 10,791.23 and 4,422.90

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Solution

The fourth proportional to 7,202.12, 10,791.23 and 4,422.90 is: 6,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.12 : 10,791.23 = 4,422.90 : x
  2. Step 2: Convert to fraction form
    7,202.12/10,791.23 = 4,422.90/x
  3. Step 3: Cross multiply
    7,202.12x = 10,791.23 × 4,422.90
  4. Step 4: Simplify right side
    7,202.12x = 47,728,549.52
  5. Step 5: Solve for x
    x = 47,728,549.52/7,202.12
  6. Step 6: Final answer
    x = 6,627.02

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1.5x scale

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.