Home / 3,142.44-4,336.40-1,745.08

Finding the Fourth Proportional to 3,142.44, 4,336.40 and 1,745.08

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Solution

The fourth proportional to 3,142.44, 4,336.40 and 1,745.08 is: 2,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.44 : 4,336.40 = 1,745.08 : x
  2. Step 2: Convert to fraction form
    3,142.44/4,336.40 = 1,745.08/x
  3. Step 3: Cross multiply
    3,142.44x = 4,336.40 × 1,745.08
  4. Step 4: Simplify right side
    3,142.44x = 7,567,364.91
  5. Step 5: Solve for x
    x = 7,567,364.91/3,142.44
  6. Step 6: Final answer
    x = 2,408.12

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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.