Home / 3,151.50-4,745.66-2,335.56

Finding the Fourth Proportional to 3,151.50, 4,745.66 and 2,335.56

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Solution

The fourth proportional to 3,151.50, 4,745.66 and 2,335.56 is: 3,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.50 : 4,745.66 = 2,335.56 : x
  2. Step 2: Convert to fraction form
    3,151.50/4,745.66 = 2,335.56/x
  3. Step 3: Cross multiply
    3,151.50x = 4,745.66 × 2,335.56
  4. Step 4: Simplify right side
    3,151.50x = 11,083,761.99
  5. Step 5: Solve for x
    x = 11,083,761.99/3,151.50
  6. Step 6: Final answer
    x = 3,516.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.