Home / 3,341.72-4,611.96-2,161.95

Finding the Fourth Proportional to 3,341.72, 4,611.96 and 2,161.95

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Solution

The fourth proportional to 3,341.72, 4,611.96 and 2,161.95 is: 2,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.72 : 4,611.96 = 2,161.95 : x
  2. Step 2: Convert to fraction form
    3,341.72/4,611.96 = 2,161.95/x
  3. Step 3: Cross multiply
    3,341.72x = 4,611.96 × 2,161.95
  4. Step 4: Simplify right side
    3,341.72x = 9,970,826.92
  5. Step 5: Solve for x
    x = 9,970,826.92/3,341.72
  6. Step 6: Final answer
    x = 2,983.75

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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.