Home / 5,549.96-7,659.81-3,191.60

Finding the Fourth Proportional to 5,549.96, 7,659.81 and 3,191.60

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Solution

The fourth proportional to 5,549.96, 7,659.81 and 3,191.60 is: 4,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.96 : 7,659.81 = 3,191.60 : x
  2. Step 2: Convert to fraction form
    5,549.96/7,659.81 = 3,191.60/x
  3. Step 3: Cross multiply
    5,549.96x = 7,659.81 × 3,191.60
  4. Step 4: Simplify right side
    5,549.96x = 24,447,049.60
  5. Step 5: Solve for x
    x = 24,447,049.60/5,549.96
  6. Step 6: Final answer
    x = 4,404.91

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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.