Home / 3,934.58-5,429.97-2,256.53

Finding the Fourth Proportional to 3,934.58, 5,429.97 and 2,256.53

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Solution

The fourth proportional to 3,934.58, 5,429.97 and 2,256.53 is: 3,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.58 : 5,429.97 = 2,256.53 : x
  2. Step 2: Convert to fraction form
    3,934.58/5,429.97 = 2,256.53/x
  3. Step 3: Cross multiply
    3,934.58x = 5,429.97 × 2,256.53
  4. Step 4: Simplify right side
    3,934.58x = 12,252,863.05
  5. Step 5: Solve for x
    x = 12,252,863.05/3,934.58
  6. Step 6: Final answer
    x = 3,114.15

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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.