Home / 3,292.22-4,931.82-1,729.89

Finding the Fourth Proportional to 3,292.22, 4,931.82 and 1,729.89

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Solution

The fourth proportional to 3,292.22, 4,931.82 and 1,729.89 is: 2,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.22 : 4,931.82 = 1,729.89 : x
  2. Step 2: Convert to fraction form
    3,292.22/4,931.82 = 1,729.89/x
  3. Step 3: Cross multiply
    3,292.22x = 4,931.82 × 1,729.89
  4. Step 4: Simplify right side
    3,292.22x = 8,531,506.10
  5. Step 5: Solve for x
    x = 8,531,506.10/3,292.22
  6. Step 6: Final answer
    x = 2,591.41

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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.