Home / 1,424.13-2,132.58-1,192.44

Finding the Fourth Proportional to 1,424.13, 2,132.58 and 1,192.44

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Solution

The fourth proportional to 1,424.13, 2,132.58 and 1,192.44 is: 1,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.13 : 2,132.58 = 1,192.44 : x
  2. Step 2: Convert to fraction form
    1,424.13/2,132.58 = 1,192.44/x
  3. Step 3: Cross multiply
    1,424.13x = 2,132.58 × 1,192.44
  4. Step 4: Simplify right side
    1,424.13x = 2,542,973.70
  5. Step 5: Solve for x
    x = 2,542,973.70/1,424.13
  6. Step 6: Final answer
    x = 1,785.63

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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.