Home / 4,555.46-6,286.14-2,786.72

Finding the Fourth Proportional to 4,555.46, 6,286.14 and 2,786.72

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Solution

The fourth proportional to 4,555.46, 6,286.14 and 2,786.72 is: 3,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.46 : 6,286.14 = 2,786.72 : x
  2. Step 2: Convert to fraction form
    4,555.46/6,286.14 = 2,786.72/x
  3. Step 3: Cross multiply
    4,555.46x = 6,286.14 × 2,786.72
  4. Step 4: Simplify right side
    4,555.46x = 17,517,680.63
  5. Step 5: Solve for x
    x = 17,517,680.63/4,555.46
  6. Step 6: Final answer
    x = 3,845.42

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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.