Home / 5,257.96-7,886.77-2,137.04

Finding the Fourth Proportional to 5,257.96, 7,886.77 and 2,137.04

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Solution

The fourth proportional to 5,257.96, 7,886.77 and 2,137.04 is: 3,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.96 : 7,886.77 = 2,137.04 : x
  2. Step 2: Convert to fraction form
    5,257.96/7,886.77 = 2,137.04/x
  3. Step 3: Cross multiply
    5,257.96x = 7,886.77 × 2,137.04
  4. Step 4: Simplify right side
    5,257.96x = 16,854,342.96
  5. Step 5: Solve for x
    x = 16,854,342.96/5,257.96
  6. Step 6: Final answer
    x = 3,205.49

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1.5x scale

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.