Home / 5,151.32-7,108.69-3,133.99

Finding the Fourth Proportional to 5,151.32, 7,108.69 and 3,133.99

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Solution

The fourth proportional to 5,151.32, 7,108.69 and 3,133.99 is: 4,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.32 : 7,108.69 = 3,133.99 : x
  2. Step 2: Convert to fraction form
    5,151.32/7,108.69 = 3,133.99/x
  3. Step 3: Cross multiply
    5,151.32x = 7,108.69 × 3,133.99
  4. Step 4: Simplify right side
    5,151.32x = 22,278,563.37
  5. Step 5: Solve for x
    x = 22,278,563.37/5,151.32
  6. Step 6: Final answer
    x = 4,324.83

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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.