Home / 4,072.90-5,620.44-2,304.87

Finding the Fourth Proportional to 4,072.90, 5,620.44 and 2,304.87

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Solution

The fourth proportional to 4,072.90, 5,620.44 and 2,304.87 is: 3,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.90 : 5,620.44 = 2,304.87 : x
  2. Step 2: Convert to fraction form
    4,072.90/5,620.44 = 2,304.87/x
  3. Step 3: Cross multiply
    4,072.90x = 5,620.44 × 2,304.87
  4. Step 4: Simplify right side
    4,072.90x = 12,954,383.54
  5. Step 5: Solve for x
    x = 12,954,383.54/4,072.90
  6. Step 6: Final answer
    x = 3,180.63

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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.