Home / 5,190.64-7,792.52-4,163.44

Finding the Fourth Proportional to 5,190.64, 7,792.52 and 4,163.44

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Solution

The fourth proportional to 5,190.64, 7,792.52 and 4,163.44 is: 6,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.64 : 7,792.52 = 4,163.44 : x
  2. Step 2: Convert to fraction form
    5,190.64/7,792.52 = 4,163.44/x
  3. Step 3: Cross multiply
    5,190.64x = 7,792.52 × 4,163.44
  4. Step 4: Simplify right side
    5,190.64x = 32,443,689.47
  5. Step 5: Solve for x
    x = 32,443,689.47/5,190.64
  6. Step 6: Final answer
    x = 6,250.42

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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.