Home / 5,317.66-7,976.50-2,199.44

Finding the Fourth Proportional to 5,317.66, 7,976.50 and 2,199.44

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Solution

The fourth proportional to 5,317.66, 7,976.50 and 2,199.44 is: 3,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.66 : 7,976.50 = 2,199.44 : x
  2. Step 2: Convert to fraction form
    5,317.66/7,976.50 = 2,199.44/x
  3. Step 3: Cross multiply
    5,317.66x = 7,976.50 × 2,199.44
  4. Step 4: Simplify right side
    5,317.66x = 17,543,833.16
  5. Step 5: Solve for x
    x = 17,543,833.16/5,317.66
  6. Step 6: Final answer
    x = 3,299.16

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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.