Home / 3,801.08-5,699.94-1,721

Finding the Fourth Proportional to 3,801.08, 5,699.94 and 1,721

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Solution

The fourth proportional to 3,801.08, 5,699.94 and 1,721 is: 2,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.08 : 5,699.94 = 1,721 : x
  2. Step 2: Convert to fraction form
    3,801.08/5,699.94 = 1,721/x
  3. Step 3: Cross multiply
    3,801.08x = 5,699.94 × 1,721
  4. Step 4: Simplify right side
    3,801.08x = 9,809,596.74
  5. Step 5: Solve for x
    x = 9,809,596.74/3,801.08
  6. Step 6: Final answer
    x = 2,580.74

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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.