Home / 5,012.64-6,917.48-3,022.80

Finding the Fourth Proportional to 5,012.64, 6,917.48 and 3,022.80

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Solution

The fourth proportional to 5,012.64, 6,917.48 and 3,022.80 is: 4,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.64 : 6,917.48 = 3,022.80 : x
  2. Step 2: Convert to fraction form
    5,012.64/6,917.48 = 3,022.80/x
  3. Step 3: Cross multiply
    5,012.64x = 6,917.48 × 3,022.80
  4. Step 4: Simplify right side
    5,012.64x = 20,910,158.54
  5. Step 5: Solve for x
    x = 20,910,158.54/5,012.64
  6. Step 6: Final answer
    x = 4,171.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.