Home / 5,027.80-7,544.64-2,105.86

Finding the Fourth Proportional to 5,027.80, 7,544.64 and 2,105.86

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Solution

The fourth proportional to 5,027.80, 7,544.64 and 2,105.86 is: 3,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.80 : 7,544.64 = 2,105.86 : x
  2. Step 2: Convert to fraction form
    5,027.80/7,544.64 = 2,105.86/x
  3. Step 3: Cross multiply
    5,027.80x = 7,544.64 × 2,105.86
  4. Step 4: Simplify right side
    5,027.80x = 15,887,955.59
  5. Step 5: Solve for x
    x = 15,887,955.59/5,027.80
  6. Step 6: Final answer
    x = 3,160.02

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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.