Home / 5,327.17-7,991.66-2,405.70

Finding the Fourth Proportional to 5,327.17, 7,991.66 and 2,405.70

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Solution

The fourth proportional to 5,327.17, 7,991.66 and 2,405.70 is: 3,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.17 : 7,991.66 = 2,405.70 : x
  2. Step 2: Convert to fraction form
    5,327.17/7,991.66 = 2,405.70/x
  3. Step 3: Cross multiply
    5,327.17x = 7,991.66 × 2,405.70
  4. Step 4: Simplify right side
    5,327.17x = 19,225,542.48
  5. Step 5: Solve for x
    x = 19,225,542.48/5,327.17
  6. Step 6: Final answer
    x = 3,608.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.