Home / 4,112.58-5,677.20-2,622.49

Finding the Fourth Proportional to 4,112.58, 5,677.20 and 2,622.49

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Solution

The fourth proportional to 4,112.58, 5,677.20 and 2,622.49 is: 3,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.58 : 5,677.20 = 2,622.49 : x
  2. Step 2: Convert to fraction form
    4,112.58/5,677.20 = 2,622.49/x
  3. Step 3: Cross multiply
    4,112.58x = 5,677.20 × 2,622.49
  4. Step 4: Simplify right side
    4,112.58x = 14,888,400.23
  5. Step 5: Solve for x
    x = 14,888,400.23/4,112.58
  6. Step 6: Final answer
    x = 3,620.21

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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.