Home / 3,936.36-5,903.02-1,595.78

Finding the Fourth Proportional to 3,936.36, 5,903.02 and 1,595.78

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Solution

The fourth proportional to 3,936.36, 5,903.02 and 1,595.78 is: 2,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.36 : 5,903.02 = 1,595.78 : x
  2. Step 2: Convert to fraction form
    3,936.36/5,903.02 = 1,595.78/x
  3. Step 3: Cross multiply
    3,936.36x = 5,903.02 × 1,595.78
  4. Step 4: Simplify right side
    3,936.36x = 9,419,921.26
  5. Step 5: Solve for x
    x = 9,419,921.26/3,936.36
  6. Step 6: Final answer
    x = 2,393.05

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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.