Home / 1,174.60-1,617.66-1,149.09

Finding the Fourth Proportional to 1,174.60, 1,617.66 and 1,149.09

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Solution

The fourth proportional to 1,174.60, 1,617.66 and 1,149.09 is: 1,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.60 : 1,617.66 = 1,149.09 : x
  2. Step 2: Convert to fraction form
    1,174.60/1,617.66 = 1,149.09/x
  3. Step 3: Cross multiply
    1,174.60x = 1,617.66 × 1,149.09
  4. Step 4: Simplify right side
    1,174.60x = 1,858,836.93
  5. Step 5: Solve for x
    x = 1,858,836.93/1,174.60
  6. Step 6: Final answer
    x = 1,582.53

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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.