Home / 5,151.16-7,108.57-2,793.30

Finding the Fourth Proportional to 5,151.16, 7,108.57 and 2,793.30

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Solution

The fourth proportional to 5,151.16, 7,108.57 and 2,793.30 is: 3,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.16 : 7,108.57 = 2,793.30 : x
  2. Step 2: Convert to fraction form
    5,151.16/7,108.57 = 2,793.30/x
  3. Step 3: Cross multiply
    5,151.16x = 7,108.57 × 2,793.30
  4. Step 4: Simplify right side
    5,151.16x = 19,856,361.60
  5. Step 5: Solve for x
    x = 19,856,361.60/5,151.16
  6. Step 6: Final answer
    x = 3,854.74

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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.