Home / 1,434.60-2,151.96-1,192.83

Finding the Fourth Proportional to 1,434.60, 2,151.96 and 1,192.83

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Solution

The fourth proportional to 1,434.60, 2,151.96 and 1,192.83 is: 1,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.60 : 2,151.96 = 1,192.83 : x
  2. Step 2: Convert to fraction form
    1,434.60/2,151.96 = 1,192.83/x
  3. Step 3: Cross multiply
    1,434.60x = 2,151.96 × 1,192.83
  4. Step 4: Simplify right side
    1,434.60x = 2,566,922.45
  5. Step 5: Solve for x
    x = 2,566,922.45/1,434.60
  6. Step 6: Final answer
    x = 1,789.29

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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.