Home / 3,745.17-5,168.25-2,254.32

Finding the Fourth Proportional to 3,745.17, 5,168.25 and 2,254.32

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Solution

The fourth proportional to 3,745.17, 5,168.25 and 2,254.32 is: 3,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.17 : 5,168.25 = 2,254.32 : x
  2. Step 2: Convert to fraction form
    3,745.17/5,168.25 = 2,254.32/x
  3. Step 3: Cross multiply
    3,745.17x = 5,168.25 × 2,254.32
  4. Step 4: Simplify right side
    3,745.17x = 11,650,889.34
  5. Step 5: Solve for x
    x = 11,650,889.34/3,745.17
  6. Step 6: Final answer
    x = 3,110.91

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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.