Home / 5,188.66-7,785.72-2,269.01

Finding the Fourth Proportional to 5,188.66, 7,785.72 and 2,269.01

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Solution

The fourth proportional to 5,188.66, 7,785.72 and 2,269.01 is: 3,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.66 : 7,785.72 = 2,269.01 : x
  2. Step 2: Convert to fraction form
    5,188.66/7,785.72 = 2,269.01/x
  3. Step 3: Cross multiply
    5,188.66x = 7,785.72 × 2,269.01
  4. Step 4: Simplify right side
    5,188.66x = 17,665,896.00
  5. Step 5: Solve for x
    x = 17,665,896.00/5,188.66
  6. Step 6: Final answer
    x = 3,404.71

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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.