Home / 1,135.23-1,690.44-1,093.73

Finding the Fourth Proportional to 1,135.23, 1,690.44 and 1,093.73

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Solution

The fourth proportional to 1,135.23, 1,690.44 and 1,093.73 is: 1,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.23 : 1,690.44 = 1,093.73 : x
  2. Step 2: Convert to fraction form
    1,135.23/1,690.44 = 1,093.73/x
  3. Step 3: Cross multiply
    1,135.23x = 1,690.44 × 1,093.73
  4. Step 4: Simplify right side
    1,135.23x = 1,848,876.49
  5. Step 5: Solve for x
    x = 1,848,876.49/1,135.23
  6. Step 6: Final answer
    x = 1,628.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.