Home / 2,021.76-3,039.36-1,659.24

Finding the Fourth Proportional to 2,021.76, 3,039.36 and 1,659.24

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Solution

The fourth proportional to 2,021.76, 3,039.36 and 1,659.24 is: 2,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.76 : 3,039.36 = 1,659.24 : x
  2. Step 2: Convert to fraction form
    2,021.76/3,039.36 = 1,659.24/x
  3. Step 3: Cross multiply
    2,021.76x = 3,039.36 × 1,659.24
  4. Step 4: Simplify right side
    2,021.76x = 5,043,027.69
  5. Step 5: Solve for x
    x = 5,043,027.69/2,021.76
  6. Step 6: Final answer
    x = 2,494.38

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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.