Home / 6,257.18-8,635.15-3,424.39

Finding the Fourth Proportional to 6,257.18, 8,635.15 and 3,424.39

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Solution

The fourth proportional to 6,257.18, 8,635.15 and 3,424.39 is: 4,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.18 : 8,635.15 = 3,424.39 : x
  2. Step 2: Convert to fraction form
    6,257.18/8,635.15 = 3,424.39/x
  3. Step 3: Cross multiply
    6,257.18x = 8,635.15 × 3,424.39
  4. Step 4: Simplify right side
    6,257.18x = 29,570,091.16
  5. Step 5: Solve for x
    x = 29,570,091.16/6,257.18
  6. Step 6: Final answer
    x = 4,725.79

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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.