Home / 5,151.24-7,108.74-2,793.37

Finding the Fourth Proportional to 5,151.24, 7,108.74 and 2,793.37

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Solution

The fourth proportional to 5,151.24, 7,108.74 and 2,793.37 is: 3,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.24 : 7,108.74 = 2,793.37 : x
  2. Step 2: Convert to fraction form
    5,151.24/7,108.74 = 2,793.37/x
  3. Step 3: Cross multiply
    5,151.24x = 7,108.74 × 2,793.37
  4. Step 4: Simplify right side
    5,151.24x = 19,857,341.05
  5. Step 5: Solve for x
    x = 19,857,341.05/5,151.24
  6. Step 6: Final answer
    x = 3,854.87

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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.