Home / 5,257.46-7,886.01-2,136.54

Finding the Fourth Proportional to 5,257.46, 7,886.01 and 2,136.54

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Solution

The fourth proportional to 5,257.46, 7,886.01 and 2,136.54 is: 3,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.46 : 7,886.01 = 2,136.54 : x
  2. Step 2: Convert to fraction form
    5,257.46/7,886.01 = 2,136.54/x
  3. Step 3: Cross multiply
    5,257.46x = 7,886.01 × 2,136.54
  4. Step 4: Simplify right side
    5,257.46x = 16,848,775.81
  5. Step 5: Solve for x
    x = 16,848,775.81/5,257.46
  6. Step 6: Final answer
    x = 3,204.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.