Home / 3,893.11-5,366.09-2,759.16

Finding the Fourth Proportional to 3,893.11, 5,366.09 and 2,759.16

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Solution

The fourth proportional to 3,893.11, 5,366.09 and 2,759.16 is: 3,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.11 : 5,366.09 = 2,759.16 : x
  2. Step 2: Convert to fraction form
    3,893.11/5,366.09 = 2,759.16/x
  3. Step 3: Cross multiply
    3,893.11x = 5,366.09 × 2,759.16
  4. Step 4: Simplify right side
    3,893.11x = 14,805,900.88
  5. Step 5: Solve for x
    x = 14,805,900.88/3,893.11
  6. Step 6: Final answer
    x = 3,803.10

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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.