Home / 5,197.37-7,173.15-3,181.94

Finding the Fourth Proportional to 5,197.37, 7,173.15 and 3,181.94

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Solution

The fourth proportional to 5,197.37, 7,173.15 and 3,181.94 is: 4,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.37 : 7,173.15 = 3,181.94 : x
  2. Step 2: Convert to fraction form
    5,197.37/7,173.15 = 3,181.94/x
  3. Step 3: Cross multiply
    5,197.37x = 7,173.15 × 3,181.94
  4. Step 4: Simplify right side
    5,197.37x = 22,824,532.91
  5. Step 5: Solve for x
    x = 22,824,532.91/5,197.37
  6. Step 6: Final answer
    x = 4,391.55

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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.