Home / 7,137.20-10,701.96-2,204.72

Finding the Fourth Proportional to 7,137.20, 10,701.96 and 2,204.72

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Solution

The fourth proportional to 7,137.20, 10,701.96 and 2,204.72 is: 3,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.20 : 10,701.96 = 2,204.72 : x
  2. Step 2: Convert to fraction form
    7,137.20/10,701.96 = 2,204.72/x
  3. Step 3: Cross multiply
    7,137.20x = 10,701.96 × 2,204.72
  4. Step 4: Simplify right side
    7,137.20x = 23,594,825.25
  5. Step 5: Solve for x
    x = 23,594,825.25/7,137.20
  6. Step 6: Final answer
    x = 3,305.89

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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.