Home / 3,469.26-4,787.60-1,897.36

Finding the Fourth Proportional to 3,469.26, 4,787.60 and 1,897.36

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Solution

The fourth proportional to 3,469.26, 4,787.60 and 1,897.36 is: 2,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.26 : 4,787.60 = 1,897.36 : x
  2. Step 2: Convert to fraction form
    3,469.26/4,787.60 = 1,897.36/x
  3. Step 3: Cross multiply
    3,469.26x = 4,787.60 × 1,897.36
  4. Step 4: Simplify right side
    3,469.26x = 9,083,800.74
  5. Step 5: Solve for x
    x = 9,083,800.74/3,469.26
  6. Step 6: Final answer
    x = 2,618.37

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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.