Home / 3,584.89-4,947.20-2,168.74

Finding the Fourth Proportional to 3,584.89, 4,947.20 and 2,168.74

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Solution

The fourth proportional to 3,584.89, 4,947.20 and 2,168.74 is: 2,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.89 : 4,947.20 = 2,168.74 : x
  2. Step 2: Convert to fraction form
    3,584.89/4,947.20 = 2,168.74/x
  3. Step 3: Cross multiply
    3,584.89x = 4,947.20 × 2,168.74
  4. Step 4: Simplify right side
    3,584.89x = 10,729,194.00
  5. Step 5: Solve for x
    x = 10,729,194.00/3,584.89
  6. Step 6: Final answer
    x = 2,992.89

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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.