Home / 3,822.40-5,734.17-1,357.01

Finding the Fourth Proportional to 3,822.40, 5,734.17 and 1,357.01

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Solution

The fourth proportional to 3,822.40, 5,734.17 and 1,357.01 is: 2,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.40 : 5,734.17 = 1,357.01 : x
  2. Step 2: Convert to fraction form
    3,822.40/5,734.17 = 1,357.01/x
  3. Step 3: Cross multiply
    3,822.40x = 5,734.17 × 1,357.01
  4. Step 4: Simplify right side
    3,822.40x = 7,781,353.66
  5. Step 5: Solve for x
    x = 7,781,353.66/3,822.40
  6. Step 6: Final answer
    x = 2,035.72

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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.