Home / 3,221.97-4,835.40-2,358.51

Finding the Fourth Proportional to 3,221.97, 4,835.40 and 2,358.51

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Solution

The fourth proportional to 3,221.97, 4,835.40 and 2,358.51 is: 3,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.97 : 4,835.40 = 2,358.51 : x
  2. Step 2: Convert to fraction form
    3,221.97/4,835.40 = 2,358.51/x
  3. Step 3: Cross multiply
    3,221.97x = 4,835.40 × 2,358.51
  4. Step 4: Simplify right side
    3,221.97x = 11,404,339.25
  5. Step 5: Solve for x
    x = 11,404,339.25/3,221.97
  6. Step 6: Final answer
    x = 3,539.55

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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.