Home / 7,271.20-10,908.24-2,654.08

Finding the Fourth Proportional to 7,271.20, 10,908.24 and 2,654.08

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Solution

The fourth proportional to 7,271.20, 10,908.24 and 2,654.08 is: 3,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.20 : 10,908.24 = 2,654.08 : x
  2. Step 2: Convert to fraction form
    7,271.20/10,908.24 = 2,654.08/x
  3. Step 3: Cross multiply
    7,271.20x = 10,908.24 × 2,654.08
  4. Step 4: Simplify right side
    7,271.20x = 28,951,341.62
  5. Step 5: Solve for x
    x = 28,951,341.62/7,271.20
  6. Step 6: Final answer
    x = 3,981.65

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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.