Home / 4,971.73-6,863.13-2,981.98

Finding the Fourth Proportional to 4,971.73, 6,863.13 and 2,981.98

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Solution

The fourth proportional to 4,971.73, 6,863.13 and 2,981.98 is: 4,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.73 : 6,863.13 = 2,981.98 : x
  2. Step 2: Convert to fraction form
    4,971.73/6,863.13 = 2,981.98/x
  3. Step 3: Cross multiply
    4,971.73x = 6,863.13 × 2,981.98
  4. Step 4: Simplify right side
    4,971.73x = 20,465,716.40
  5. Step 5: Solve for x
    x = 20,465,716.40/4,971.73
  6. Step 6: Final answer
    x = 4,116.42

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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.