Home / 3,071.27-4,238.22-1,745.04

Finding the Fourth Proportional to 3,071.27, 4,238.22 and 1,745.04

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Solution

The fourth proportional to 3,071.27, 4,238.22 and 1,745.04 is: 2,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.27 : 4,238.22 = 1,745.04 : x
  2. Step 2: Convert to fraction form
    3,071.27/4,238.22 = 1,745.04/x
  3. Step 3: Cross multiply
    3,071.27x = 4,238.22 × 1,745.04
  4. Step 4: Simplify right side
    3,071.27x = 7,395,863.43
  5. Step 5: Solve for x
    x = 7,395,863.43/3,071.27
  6. Step 6: Final answer
    x = 2,408.08

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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.