Home / 4,125.78-5,694.84-3,079.26

Finding the Fourth Proportional to 4,125.78, 5,694.84 and 3,079.26

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Solution

The fourth proportional to 4,125.78, 5,694.84 and 3,079.26 is: 4,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.78 : 5,694.84 = 3,079.26 : x
  2. Step 2: Convert to fraction form
    4,125.78/5,694.84 = 3,079.26/x
  3. Step 3: Cross multiply
    4,125.78x = 5,694.84 × 3,079.26
  4. Step 4: Simplify right side
    4,125.78x = 17,535,893.02
  5. Step 5: Solve for x
    x = 17,535,893.02/4,125.78
  6. Step 6: Final answer
    x = 4,250.32

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Half scale
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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.