Home / 2,282.14-3,422.13-1,126.54

Finding the Fourth Proportional to 2,282.14, 3,422.13 and 1,126.54

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Solution

The fourth proportional to 2,282.14, 3,422.13 and 1,126.54 is: 1,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.14 : 3,422.13 = 1,126.54 : x
  2. Step 2: Convert to fraction form
    2,282.14/3,422.13 = 1,126.54/x
  3. Step 3: Cross multiply
    2,282.14x = 3,422.13 × 1,126.54
  4. Step 4: Simplify right side
    2,282.14x = 3,855,166.33
  5. Step 5: Solve for x
    x = 3,855,166.33/2,282.14
  6. Step 6: Final answer
    x = 1,689.28

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1.5x scale

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.