Home / 3,097.96-4,272.33-2,104.72

Finding the Fourth Proportional to 3,097.96, 4,272.33 and 2,104.72

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Solution

The fourth proportional to 3,097.96, 4,272.33 and 2,104.72 is: 2,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.96 : 4,272.33 = 2,104.72 : x
  2. Step 2: Convert to fraction form
    3,097.96/4,272.33 = 2,104.72/x
  3. Step 3: Cross multiply
    3,097.96x = 4,272.33 × 2,104.72
  4. Step 4: Simplify right side
    3,097.96x = 8,992,058.40
  5. Step 5: Solve for x
    x = 8,992,058.40/3,097.96
  6. Step 6: Final answer
    x = 2,902.57

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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.