Home / 7,320.92-10,982.05-2,390.58

Finding the Fourth Proportional to 7,320.92, 10,982.05 and 2,390.58

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Solution

The fourth proportional to 7,320.92, 10,982.05 and 2,390.58 is: 3,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.92 : 10,982.05 = 2,390.58 : x
  2. Step 2: Convert to fraction form
    7,320.92/10,982.05 = 2,390.58/x
  3. Step 3: Cross multiply
    7,320.92x = 10,982.05 × 2,390.58
  4. Step 4: Simplify right side
    7,320.92x = 26,253,463.11
  5. Step 5: Solve for x
    x = 26,253,463.11/7,320.92
  6. Step 6: Final answer
    x = 3,586.09

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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.