Home / 5,186.19-7,160.63-3,197.37

Finding the Fourth Proportional to 5,186.19, 7,160.63 and 3,197.37

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Solution

The fourth proportional to 5,186.19, 7,160.63 and 3,197.37 is: 4,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.19 : 7,160.63 = 3,197.37 : x
  2. Step 2: Convert to fraction form
    5,186.19/7,160.63 = 3,197.37/x
  3. Step 3: Cross multiply
    5,186.19x = 7,160.63 × 3,197.37
  4. Step 4: Simplify right side
    5,186.19x = 22,895,167.56
  5. Step 5: Solve for x
    x = 22,895,167.56/5,186.19
  6. Step 6: Final answer
    x = 4,414.64

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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.