Home / 3,444.69-5,165.60-1,391.25

Finding the Fourth Proportional to 3,444.69, 5,165.60 and 1,391.25

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Solution

The fourth proportional to 3,444.69, 5,165.60 and 1,391.25 is: 2,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.69 : 5,165.60 = 1,391.25 : x
  2. Step 2: Convert to fraction form
    3,444.69/5,165.60 = 1,391.25/x
  3. Step 3: Cross multiply
    3,444.69x = 5,165.60 × 1,391.25
  4. Step 4: Simplify right side
    3,444.69x = 7,186,634.04
  5. Step 5: Solve for x
    x = 7,186,634.04/3,444.69
  6. Step 6: Final answer
    x = 2,086.29

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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.