Home / 2,748.26-4,118.07-2,125.08

Finding the Fourth Proportional to 2,748.26, 4,118.07 and 2,125.08

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Solution

The fourth proportional to 2,748.26, 4,118.07 and 2,125.08 is: 3,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.26 : 4,118.07 = 2,125.08 : x
  2. Step 2: Convert to fraction form
    2,748.26/4,118.07 = 2,125.08/x
  3. Step 3: Cross multiply
    2,748.26x = 4,118.07 × 2,125.08
  4. Step 4: Simplify right side
    2,748.26x = 8,751,217.57
  5. Step 5: Solve for x
    x = 8,751,217.57/2,748.26
  6. Step 6: Final answer
    x = 3,184.28

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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.