Home / 1,122.62-1,548.05-1,033.29

Finding the Fourth Proportional to 1,122.62, 1,548.05 and 1,033.29

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Solution

The fourth proportional to 1,122.62, 1,548.05 and 1,033.29 is: 1,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.62 : 1,548.05 = 1,033.29 : x
  2. Step 2: Convert to fraction form
    1,122.62/1,548.05 = 1,033.29/x
  3. Step 3: Cross multiply
    1,122.62x = 1,548.05 × 1,033.29
  4. Step 4: Simplify right side
    1,122.62x = 1,599,579.42
  5. Step 5: Solve for x
    x = 1,599,579.42/1,122.62
  6. Step 6: Final answer
    x = 1,424.87

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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.