Home / 5,617.03-8,418.70-3,974.05

Finding the Fourth Proportional to 5,617.03, 8,418.70 and 3,974.05

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Solution

The fourth proportional to 5,617.03, 8,418.70 and 3,974.05 is: 5,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.03 : 8,418.70 = 3,974.05 : x
  2. Step 2: Convert to fraction form
    5,617.03/8,418.70 = 3,974.05/x
  3. Step 3: Cross multiply
    5,617.03x = 8,418.70 × 3,974.05
  4. Step 4: Simplify right side
    5,617.03x = 33,456,334.74
  5. Step 5: Solve for x
    x = 33,456,334.74/5,617.03
  6. Step 6: Final answer
    x = 5,956.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.