Home / 3,745.63-5,611.36-2,103.36

Finding the Fourth Proportional to 3,745.63, 5,611.36 and 2,103.36

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Solution

The fourth proportional to 3,745.63, 5,611.36 and 2,103.36 is: 3,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.63 : 5,611.36 = 2,103.36 : x
  2. Step 2: Convert to fraction form
    3,745.63/5,611.36 = 2,103.36/x
  3. Step 3: Cross multiply
    3,745.63x = 5,611.36 × 2,103.36
  4. Step 4: Simplify right side
    3,745.63x = 11,802,671.60
  5. Step 5: Solve for x
    x = 11,802,671.60/3,745.63
  6. Step 6: Final answer
    x = 3,151.05

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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.