Home / 3,104.28-4,283.78-1,845.32

Finding the Fourth Proportional to 3,104.28, 4,283.78 and 1,845.32

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Solution

The fourth proportional to 3,104.28, 4,283.78 and 1,845.32 is: 2,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.28 : 4,283.78 = 1,845.32 : x
  2. Step 2: Convert to fraction form
    3,104.28/4,283.78 = 1,845.32/x
  3. Step 3: Cross multiply
    3,104.28x = 4,283.78 × 1,845.32
  4. Step 4: Simplify right side
    3,104.28x = 7,904,944.91
  5. Step 5: Solve for x
    x = 7,904,944.91/3,104.28
  6. Step 6: Final answer
    x = 2,546.47

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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.