Home / 4,143.45-5,716.16-2,725.32

Finding the Fourth Proportional to 4,143.45, 5,716.16 and 2,725.32

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Solution

The fourth proportional to 4,143.45, 5,716.16 and 2,725.32 is: 3,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.45 : 5,716.16 = 2,725.32 : x
  2. Step 2: Convert to fraction form
    4,143.45/5,716.16 = 2,725.32/x
  3. Step 3: Cross multiply
    4,143.45x = 5,716.16 × 2,725.32
  4. Step 4: Simplify right side
    4,143.45x = 15,578,363.29
  5. Step 5: Solve for x
    x = 15,578,363.29/4,143.45
  6. Step 6: Final answer
    x = 3,759.75

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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.