Home / 4,878.48-6,732.06-2,861.61

Finding the Fourth Proportional to 4,878.48, 6,732.06 and 2,861.61

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Solution

The fourth proportional to 4,878.48, 6,732.06 and 2,861.61 is: 3,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.48 : 6,732.06 = 2,861.61 : x
  2. Step 2: Convert to fraction form
    4,878.48/6,732.06 = 2,861.61/x
  3. Step 3: Cross multiply
    4,878.48x = 6,732.06 × 2,861.61
  4. Step 4: Simplify right side
    4,878.48x = 19,264,530.22
  5. Step 5: Solve for x
    x = 19,264,530.22/4,878.48
  6. Step 6: Final answer
    x = 3,948.88

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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.