Home / 5,110.52-7,664.16-2,188.04

Finding the Fourth Proportional to 5,110.52, 7,664.16 and 2,188.04

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Solution

The fourth proportional to 5,110.52, 7,664.16 and 2,188.04 is: 3,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.52 : 7,664.16 = 2,188.04 : x
  2. Step 2: Convert to fraction form
    5,110.52/7,664.16 = 2,188.04/x
  3. Step 3: Cross multiply
    5,110.52x = 7,664.16 × 2,188.04
  4. Step 4: Simplify right side
    5,110.52x = 16,769,488.65
  5. Step 5: Solve for x
    x = 16,769,488.65/5,110.52
  6. Step 6: Final answer
    x = 3,281.37

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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.