Home / 3,811.53-5,259.97-2,133.01

Finding the Fourth Proportional to 3,811.53, 5,259.97 and 2,133.01

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Solution

The fourth proportional to 3,811.53, 5,259.97 and 2,133.01 is: 2,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.53 : 5,259.97 = 2,133.01 : x
  2. Step 2: Convert to fraction form
    3,811.53/5,259.97 = 2,133.01/x
  3. Step 3: Cross multiply
    3,811.53x = 5,259.97 × 2,133.01
  4. Step 4: Simplify right side
    3,811.53x = 11,219,577.85
  5. Step 5: Solve for x
    x = 11,219,577.85/3,811.53
  6. Step 6: Final answer
    x = 2,943.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.