Home / 3,105.26-4,647.78-2,283.32

Finding the Fourth Proportional to 3,105.26, 4,647.78 and 2,283.32

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Solution

The fourth proportional to 3,105.26, 4,647.78 and 2,283.32 is: 3,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.26 : 4,647.78 = 2,283.32 : x
  2. Step 2: Convert to fraction form
    3,105.26/4,647.78 = 2,283.32/x
  3. Step 3: Cross multiply
    3,105.26x = 4,647.78 × 2,283.32
  4. Step 4: Simplify right side
    3,105.26x = 10,612,369.03
  5. Step 5: Solve for x
    x = 10,612,369.03/3,105.26
  6. Step 6: Final answer
    x = 3,417.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.