Home / 3,867.57-5,801.39-1,235.48

Finding the Fourth Proportional to 3,867.57, 5,801.39 and 1,235.48

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Solution

The fourth proportional to 3,867.57, 5,801.39 and 1,235.48 is: 1,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.57 : 5,801.39 = 1,235.48 : x
  2. Step 2: Convert to fraction form
    3,867.57/5,801.39 = 1,235.48/x
  3. Step 3: Cross multiply
    3,867.57x = 5,801.39 × 1,235.48
  4. Step 4: Simplify right side
    3,867.57x = 7,167,466.13
  5. Step 5: Solve for x
    x = 7,167,466.13/3,867.57
  6. Step 6: Final answer
    x = 1,853.22

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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.