Home / 5,181.57-7,150.20-3,192.16

Finding the Fourth Proportional to 5,181.57, 7,150.20 and 3,192.16

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Solution

The fourth proportional to 5,181.57, 7,150.20 and 3,192.16 is: 4,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.57 : 7,150.20 = 3,192.16 : x
  2. Step 2: Convert to fraction form
    5,181.57/7,150.20 = 3,192.16/x
  3. Step 3: Cross multiply
    5,181.57x = 7,150.20 × 3,192.16
  4. Step 4: Simplify right side
    5,181.57x = 22,824,574.97
  5. Step 5: Solve for x
    x = 22,824,574.97/5,181.57
  6. Step 6: Final answer
    x = 4,404.95

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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.