Home / 4,451.64-6,679.86-2,143.14

Finding the Fourth Proportional to 4,451.64, 6,679.86 and 2,143.14

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Solution

The fourth proportional to 4,451.64, 6,679.86 and 2,143.14 is: 3,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.64 : 6,679.86 = 2,143.14 : x
  2. Step 2: Convert to fraction form
    4,451.64/6,679.86 = 2,143.14/x
  3. Step 3: Cross multiply
    4,451.64x = 6,679.86 × 2,143.14
  4. Step 4: Simplify right side
    4,451.64x = 14,315,875.16
  5. Step 5: Solve for x
    x = 14,315,875.16/4,451.64
  6. Step 6: Final answer
    x = 3,215.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.