Home / 3,161.94-4,363.72-1,745.90

Finding the Fourth Proportional to 3,161.94, 4,363.72 and 1,745.90

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Solution

The fourth proportional to 3,161.94, 4,363.72 and 1,745.90 is: 2,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.94 : 4,363.72 = 1,745.90 : x
  2. Step 2: Convert to fraction form
    3,161.94/4,363.72 = 1,745.90/x
  3. Step 3: Cross multiply
    3,161.94x = 4,363.72 × 1,745.90
  4. Step 4: Simplify right side
    3,161.94x = 7,618,588.20
  5. Step 5: Solve for x
    x = 7,618,588.20/3,161.94
  6. Step 6: Final answer
    x = 2,409.47

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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.