Home / 7,286.35-10,920.57-3,332.11

Finding the Fourth Proportional to 7,286.35, 10,920.57 and 3,332.11

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Solution

The fourth proportional to 7,286.35, 10,920.57 and 3,332.11 is: 4,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.35 : 10,920.57 = 3,332.11 : x
  2. Step 2: Convert to fraction form
    7,286.35/10,920.57 = 3,332.11/x
  3. Step 3: Cross multiply
    7,286.35x = 10,920.57 × 3,332.11
  4. Step 4: Simplify right side
    7,286.35x = 36,388,540.50
  5. Step 5: Solve for x
    x = 36,388,540.50/7,286.35
  6. Step 6: Final answer
    x = 4,994.07

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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.