Home / 5,249.93-7,244.72-2,892.06

Finding the Fourth Proportional to 5,249.93, 7,244.72 and 2,892.06

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Solution

The fourth proportional to 5,249.93, 7,244.72 and 2,892.06 is: 3,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.93 : 7,244.72 = 2,892.06 : x
  2. Step 2: Convert to fraction form
    5,249.93/7,244.72 = 2,892.06/x
  3. Step 3: Cross multiply
    5,249.93x = 7,244.72 × 2,892.06
  4. Step 4: Simplify right side
    5,249.93x = 20,952,172.15
  5. Step 5: Solve for x
    x = 20,952,172.15/5,249.93
  6. Step 6: Final answer
    x = 3,990.95

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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.