Home / 5,911.13-8,865.70-2,212.37

Finding the Fourth Proportional to 5,911.13, 8,865.70 and 2,212.37

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Solution

The fourth proportional to 5,911.13, 8,865.70 and 2,212.37 is: 3,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.13 : 8,865.70 = 2,212.37 : x
  2. Step 2: Convert to fraction form
    5,911.13/8,865.70 = 2,212.37/x
  3. Step 3: Cross multiply
    5,911.13x = 8,865.70 × 2,212.37
  4. Step 4: Simplify right side
    5,911.13x = 19,614,208.71
  5. Step 5: Solve for x
    x = 19,614,208.71/5,911.13
  6. Step 6: Final answer
    x = 3,318.18

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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.