Home / 1,196.73-1,795.10-1,109.25

Finding the Fourth Proportional to 1,196.73, 1,795.10 and 1,109.25

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Solution

The fourth proportional to 1,196.73, 1,795.10 and 1,109.25 is: 1,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.73 : 1,795.10 = 1,109.25 : x
  2. Step 2: Convert to fraction form
    1,196.73/1,795.10 = 1,109.25/x
  3. Step 3: Cross multiply
    1,196.73x = 1,795.10 × 1,109.25
  4. Step 4: Simplify right side
    1,196.73x = 1,991,209.13
  5. Step 5: Solve for x
    x = 1,991,209.13/1,196.73
  6. Step 6: Final answer
    x = 1,663.88

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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.