Home / 5,252.21-7,247.79-2,893.91

Finding the Fourth Proportional to 5,252.21, 7,247.79 and 2,893.91

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Solution

The fourth proportional to 5,252.21, 7,247.79 and 2,893.91 is: 3,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.21 : 7,247.79 = 2,893.91 : x
  2. Step 2: Convert to fraction form
    5,252.21/7,247.79 = 2,893.91/x
  3. Step 3: Cross multiply
    5,252.21x = 7,247.79 × 2,893.91
  4. Step 4: Simplify right side
    5,252.21x = 20,974,451.96
  5. Step 5: Solve for x
    x = 20,974,451.96/5,252.21
  6. Step 6: Final answer
    x = 3,993.45

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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.