Home / 2,262.51-3,122.49-1,267.97

Finding the Fourth Proportional to 2,262.51, 3,122.49 and 1,267.97

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Solution

The fourth proportional to 2,262.51, 3,122.49 and 1,267.97 is: 1,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.51 : 3,122.49 = 1,267.97 : x
  2. Step 2: Convert to fraction form
    2,262.51/3,122.49 = 1,267.97/x
  3. Step 3: Cross multiply
    2,262.51x = 3,122.49 × 1,267.97
  4. Step 4: Simplify right side
    2,262.51x = 3,959,208.03
  5. Step 5: Solve for x
    x = 3,959,208.03/2,262.51
  6. Step 6: Final answer
    x = 1,749.92

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1.5x scale

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.