Home / 3,433.49-4,738.60-2,872.97

Finding the Fourth Proportional to 3,433.49, 4,738.60 and 2,872.97

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Solution

The fourth proportional to 3,433.49, 4,738.60 and 2,872.97 is: 3,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.49 : 4,738.60 = 2,872.97 : x
  2. Step 2: Convert to fraction form
    3,433.49/4,738.60 = 2,872.97/x
  3. Step 3: Cross multiply
    3,433.49x = 4,738.60 × 2,872.97
  4. Step 4: Simplify right side
    3,433.49x = 13,613,855.64
  5. Step 5: Solve for x
    x = 13,613,855.64/3,433.49
  6. Step 6: Final answer
    x = 3,965.02

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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.