Home / 6,191.37-8,544.15-3,396.87

Finding the Fourth Proportional to 6,191.37, 8,544.15 and 3,396.87

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Solution

The fourth proportional to 6,191.37, 8,544.15 and 3,396.87 is: 4,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.37 : 8,544.15 = 3,396.87 : x
  2. Step 2: Convert to fraction form
    6,191.37/8,544.15 = 3,396.87/x
  3. Step 3: Cross multiply
    6,191.37x = 8,544.15 × 3,396.87
  4. Step 4: Simplify right side
    6,191.37x = 29,023,366.81
  5. Step 5: Solve for x
    x = 29,023,366.81/6,191.37
  6. Step 6: Final answer
    x = 4,687.71

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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.