Home / 5,678.11-8,518.20-2,346.37

Finding the Fourth Proportional to 5,678.11, 8,518.20 and 2,346.37

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Solution

The fourth proportional to 5,678.11, 8,518.20 and 2,346.37 is: 3,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.11 : 8,518.20 = 2,346.37 : x
  2. Step 2: Convert to fraction form
    5,678.11/8,518.20 = 2,346.37/x
  3. Step 3: Cross multiply
    5,678.11x = 8,518.20 × 2,346.37
  4. Step 4: Simplify right side
    5,678.11x = 19,986,794.61
  5. Step 5: Solve for x
    x = 19,986,794.61/5,678.11
  6. Step 6: Final answer
    x = 3,519.97

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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.