Home / 3,391.25-5,089.23-1,200.06

Finding the Fourth Proportional to 3,391.25, 5,089.23 and 1,200.06

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Solution

The fourth proportional to 3,391.25, 5,089.23 and 1,200.06 is: 1,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.25 : 5,089.23 = 1,200.06 : x
  2. Step 2: Convert to fraction form
    3,391.25/5,089.23 = 1,200.06/x
  3. Step 3: Cross multiply
    3,391.25x = 5,089.23 × 1,200.06
  4. Step 4: Simplify right side
    3,391.25x = 6,107,381.35
  5. Step 5: Solve for x
    x = 6,107,381.35/3,391.25
  6. Step 6: Final answer
    x = 1,800.93

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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.