Home / 5,151.16-7,108.65-2,793.34

Finding the Fourth Proportional to 5,151.16, 7,108.65 and 2,793.34

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Solution

The fourth proportional to 5,151.16, 7,108.65 and 2,793.34 is: 3,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.16 : 7,108.65 = 2,793.34 : x
  2. Step 2: Convert to fraction form
    5,151.16/7,108.65 = 2,793.34/x
  3. Step 3: Cross multiply
    5,151.16x = 7,108.65 × 2,793.34
  4. Step 4: Simplify right side
    5,151.16x = 19,856,876.39
  5. Step 5: Solve for x
    x = 19,856,876.39/5,151.16
  6. Step 6: Final answer
    x = 3,854.84

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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.