Home / 2,267.01-3,128.07-1,272.33

Finding the Fourth Proportional to 2,267.01, 3,128.07 and 1,272.33

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Solution

The fourth proportional to 2,267.01, 3,128.07 and 1,272.33 is: 1,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.01 : 3,128.07 = 1,272.33 : x
  2. Step 2: Convert to fraction form
    2,267.01/3,128.07 = 1,272.33/x
  3. Step 3: Cross multiply
    2,267.01x = 3,128.07 × 1,272.33
  4. Step 4: Simplify right side
    2,267.01x = 3,979,937.30
  5. Step 5: Solve for x
    x = 3,979,937.30/2,267.01
  6. Step 6: Final answer
    x = 1,755.59

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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.