Home / 2,769.26-4,147.61-1,671.30

Finding the Fourth Proportional to 2,769.26, 4,147.61 and 1,671.30

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Solution

The fourth proportional to 2,769.26, 4,147.61 and 1,671.30 is: 2,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.26 : 4,147.61 = 1,671.30 : x
  2. Step 2: Convert to fraction form
    2,769.26/4,147.61 = 1,671.30/x
  3. Step 3: Cross multiply
    2,769.26x = 4,147.61 × 1,671.30
  4. Step 4: Simplify right side
    2,769.26x = 6,931,892.24
  5. Step 5: Solve for x
    x = 6,931,892.24/2,769.26
  6. Step 6: Final answer
    x = 2,503.16

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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.