Home / 3,528.24-5,291.23-1,187.61

Finding the Fourth Proportional to 3,528.24, 5,291.23 and 1,187.61

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Solution

The fourth proportional to 3,528.24, 5,291.23 and 1,187.61 is: 1,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.24 : 5,291.23 = 1,187.61 : x
  2. Step 2: Convert to fraction form
    3,528.24/5,291.23 = 1,187.61/x
  3. Step 3: Cross multiply
    3,528.24x = 5,291.23 × 1,187.61
  4. Step 4: Simplify right side
    3,528.24x = 6,283,917.66
  5. Step 5: Solve for x
    x = 6,283,917.66/3,528.24
  6. Step 6: Final answer
    x = 1,781.03

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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.