Home / 5,151.41-7,108.95-2,793.56

Finding the Fourth Proportional to 5,151.41, 7,108.95 and 2,793.56

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Solution

The fourth proportional to 5,151.41, 7,108.95 and 2,793.56 is: 3,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.41 : 7,108.95 = 2,793.56 : x
  2. Step 2: Convert to fraction form
    5,151.41/7,108.95 = 2,793.56/x
  3. Step 3: Cross multiply
    5,151.41x = 7,108.95 × 2,793.56
  4. Step 4: Simplify right side
    5,151.41x = 19,859,278.36
  5. Step 5: Solve for x
    x = 19,859,278.36/5,151.41
  6. Step 6: Final answer
    x = 3,855.12

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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.