Home / 5,252.88-7,874.84-2,786.32

Finding the Fourth Proportional to 5,252.88, 7,874.84 and 2,786.32

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Solution

The fourth proportional to 5,252.88, 7,874.84 and 2,786.32 is: 4,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.88 : 7,874.84 = 2,786.32 : x
  2. Step 2: Convert to fraction form
    5,252.88/7,874.84 = 2,786.32/x
  3. Step 3: Cross multiply
    5,252.88x = 7,874.84 × 2,786.32
  4. Step 4: Simplify right side
    5,252.88x = 21,941,824.19
  5. Step 5: Solve for x
    x = 21,941,824.19/5,252.88
  6. Step 6: Final answer
    x = 4,177.10

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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.