Home / 3,052.98-4,212.41-2,109.60

Finding the Fourth Proportional to 3,052.98, 4,212.41 and 2,109.60

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Solution

The fourth proportional to 3,052.98, 4,212.41 and 2,109.60 is: 2,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.98 : 4,212.41 = 2,109.60 : x
  2. Step 2: Convert to fraction form
    3,052.98/4,212.41 = 2,109.60/x
  3. Step 3: Cross multiply
    3,052.98x = 4,212.41 × 2,109.60
  4. Step 4: Simplify right side
    3,052.98x = 8,886,489.59
  5. Step 5: Solve for x
    x = 8,886,489.59/3,052.98
  6. Step 6: Final answer
    x = 2,910.76

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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.