Home / 4,676.28-6,450.42-2,786.62

Finding the Fourth Proportional to 4,676.28, 6,450.42 and 2,786.62

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Solution

The fourth proportional to 4,676.28, 6,450.42 and 2,786.62 is: 3,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.28 : 6,450.42 = 2,786.62 : x
  2. Step 2: Convert to fraction form
    4,676.28/6,450.42 = 2,786.62/x
  3. Step 3: Cross multiply
    4,676.28x = 6,450.42 × 2,786.62
  4. Step 4: Simplify right side
    4,676.28x = 17,974,869.38
  5. Step 5: Solve for x
    x = 17,974,869.38/4,676.28
  6. Step 6: Final answer
    x = 3,843.84

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Double scale
Find fourth proportional to 4,677.28, 6,451.80 and 2,787.62
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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.