Home / 5,549.96-7,659.79-3,191.95

Finding the Fourth Proportional to 5,549.96, 7,659.79 and 3,191.95

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Solution

The fourth proportional to 5,549.96, 7,659.79 and 3,191.95 is: 4,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.96 : 7,659.79 = 3,191.95 : x
  2. Step 2: Convert to fraction form
    5,549.96/7,659.79 = 3,191.95/x
  3. Step 3: Cross multiply
    5,549.96x = 7,659.79 × 3,191.95
  4. Step 4: Simplify right side
    5,549.96x = 24,449,639.56
  5. Step 5: Solve for x
    x = 24,449,639.56/5,549.96
  6. Step 6: Final answer
    x = 4,405.37

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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.