Home / 3,721.01-5,572.40-1,768.50

Finding the Fourth Proportional to 3,721.01, 5,572.40 and 1,768.50

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Solution

The fourth proportional to 3,721.01, 5,572.40 and 1,768.50 is: 2,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.01 : 5,572.40 = 1,768.50 : x
  2. Step 2: Convert to fraction form
    3,721.01/5,572.40 = 1,768.50/x
  3. Step 3: Cross multiply
    3,721.01x = 5,572.40 × 1,768.50
  4. Step 4: Simplify right side
    3,721.01x = 9,854,780.56
  5. Step 5: Solve for x
    x = 9,854,780.56/3,721.01
  6. Step 6: Final answer
    x = 2,648.42

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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.