Home / 4,027.61-6,043.80-2,178.68

Finding the Fourth Proportional to 4,027.61, 6,043.80 and 2,178.68

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Solution

The fourth proportional to 4,027.61, 6,043.80 and 2,178.68 is: 3,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.61 : 6,043.80 = 2,178.68 : x
  2. Step 2: Convert to fraction form
    4,027.61/6,043.80 = 2,178.68/x
  3. Step 3: Cross multiply
    4,027.61x = 6,043.80 × 2,178.68
  4. Step 4: Simplify right side
    4,027.61x = 13,167,505.88
  5. Step 5: Solve for x
    x = 13,167,505.88/4,027.61
  6. Step 6: Final answer
    x = 3,269.31

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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.