Home / 4,157.94-5,736.69-2,913.78

Finding the Fourth Proportional to 4,157.94, 5,736.69 and 2,913.78

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Solution

The fourth proportional to 4,157.94, 5,736.69 and 2,913.78 is: 4,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.94 : 5,736.69 = 2,913.78 : x
  2. Step 2: Convert to fraction form
    4,157.94/5,736.69 = 2,913.78/x
  3. Step 3: Cross multiply
    4,157.94x = 5,736.69 × 2,913.78
  4. Step 4: Simplify right side
    4,157.94x = 16,715,452.59
  5. Step 5: Solve for x
    x = 16,715,452.59/4,157.94
  6. Step 6: Final answer
    x = 4,020.13

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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.