Home / 1,126.36-1,553.61-1,033.44

Finding the Fourth Proportional to 1,126.36, 1,553.61 and 1,033.44

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Solution

The fourth proportional to 1,126.36, 1,553.61 and 1,033.44 is: 1,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.36 : 1,553.61 = 1,033.44 : x
  2. Step 2: Convert to fraction form
    1,126.36/1,553.61 = 1,033.44/x
  3. Step 3: Cross multiply
    1,126.36x = 1,553.61 × 1,033.44
  4. Step 4: Simplify right side
    1,126.36x = 1,605,562.72
  5. Step 5: Solve for x
    x = 1,605,562.72/1,126.36
  6. Step 6: Final answer
    x = 1,425.44

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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.