Home / 6,981.88-10,474.62-2,051.68

Finding the Fourth Proportional to 6,981.88, 10,474.62 and 2,051.68

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Solution

The fourth proportional to 6,981.88, 10,474.62 and 2,051.68 is: 3,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.88 : 10,474.62 = 2,051.68 : x
  2. Step 2: Convert to fraction form
    6,981.88/10,474.62 = 2,051.68/x
  3. Step 3: Cross multiply
    6,981.88x = 10,474.62 × 2,051.68
  4. Step 4: Simplify right side
    6,981.88x = 21,490,568.36
  5. Step 5: Solve for x
    x = 21,490,568.36/6,981.88
  6. Step 6: Final answer
    x = 3,078.05

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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.