Home / 1,976.03-2,725.67-1,267.13

Finding the Fourth Proportional to 1,976.03, 2,725.67 and 1,267.13

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Solution

The fourth proportional to 1,976.03, 2,725.67 and 1,267.13 is: 1,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.03 : 2,725.67 = 1,267.13 : x
  2. Step 2: Convert to fraction form
    1,976.03/2,725.67 = 1,267.13/x
  3. Step 3: Cross multiply
    1,976.03x = 2,725.67 × 1,267.13
  4. Step 4: Simplify right side
    1,976.03x = 3,453,772.88
  5. Step 5: Solve for x
    x = 3,453,772.88/1,976.03
  6. Step 6: Final answer
    x = 1,747.84

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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.