Home / 4,100.72-6,140.44-2,709.82

Finding the Fourth Proportional to 4,100.72, 6,140.44 and 2,709.82

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Solution

The fourth proportional to 4,100.72, 6,140.44 and 2,709.82 is: 4,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.72 : 6,140.44 = 2,709.82 : x
  2. Step 2: Convert to fraction form
    4,100.72/6,140.44 = 2,709.82/x
  3. Step 3: Cross multiply
    4,100.72x = 6,140.44 × 2,709.82
  4. Step 4: Simplify right side
    4,100.72x = 16,639,487.12
  5. Step 5: Solve for x
    x = 16,639,487.12/4,100.72
  6. Step 6: Final answer
    x = 4,057.70

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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.