Home / 3,745.83-5,168.32-2,290.24

Finding the Fourth Proportional to 3,745.83, 5,168.32 and 2,290.24

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Solution

The fourth proportional to 3,745.83, 5,168.32 and 2,290.24 is: 3,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.83 : 5,168.32 = 2,290.24 : x
  2. Step 2: Convert to fraction form
    3,745.83/5,168.32 = 2,290.24/x
  3. Step 3: Cross multiply
    3,745.83x = 5,168.32 × 2,290.24
  4. Step 4: Simplify right side
    3,745.83x = 11,836,655.90
  5. Step 5: Solve for x
    x = 11,836,655.90/3,745.83
  6. Step 6: Final answer
    x = 3,159.96

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1.5x scale

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.