Home / 5,117.22-7,061.26-2,879.04

Finding the Fourth Proportional to 5,117.22, 7,061.26 and 2,879.04

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Solution

The fourth proportional to 5,117.22, 7,061.26 and 2,879.04 is: 3,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.22 : 7,061.26 = 2,879.04 : x
  2. Step 2: Convert to fraction form
    5,117.22/7,061.26 = 2,879.04/x
  3. Step 3: Cross multiply
    5,117.22x = 7,061.26 × 2,879.04
  4. Step 4: Simplify right side
    5,117.22x = 20,329,649.99
  5. Step 5: Solve for x
    x = 20,329,649.99/5,117.22
  6. Step 6: Final answer
    x = 3,972.79

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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.