Home / 2,266.26-3,127.42-1,271.53

Finding the Fourth Proportional to 2,266.26, 3,127.42 and 1,271.53

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Solution

The fourth proportional to 2,266.26, 3,127.42 and 1,271.53 is: 1,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.26 : 3,127.42 = 1,271.53 : x
  2. Step 2: Convert to fraction form
    2,266.26/3,127.42 = 1,271.53/x
  3. Step 3: Cross multiply
    2,266.26x = 3,127.42 × 1,271.53
  4. Step 4: Simplify right side
    2,266.26x = 3,976,610.28
  5. Step 5: Solve for x
    x = 3,976,610.28/2,266.26
  6. Step 6: Final answer
    x = 1,754.71

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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.