Home / 6,233.46-8,606.16-3,878.79

Finding the Fourth Proportional to 6,233.46, 8,606.16 and 3,878.79

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Solution

The fourth proportional to 6,233.46, 8,606.16 and 3,878.79 is: 5,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233.46 : 8,606.16 = 3,878.79 : x
  2. Step 2: Convert to fraction form
    6,233.46/8,606.16 = 3,878.79/x
  3. Step 3: Cross multiply
    6,233.46x = 8,606.16 × 3,878.79
  4. Step 4: Simplify right side
    6,233.46x = 33,381,487.35
  5. Step 5: Solve for x
    x = 33,381,487.35/6,233.46
  6. Step 6: Final answer
    x = 5,355.21

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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.