Home / 8,052.46-12,077.27-2,129.40

Finding the Fourth Proportional to 8,052.46, 12,077.27 and 2,129.40

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Solution

The fourth proportional to 8,052.46, 12,077.27 and 2,129.40 is: 3,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.46 : 12,077.27 = 2,129.40 : x
  2. Step 2: Convert to fraction form
    8,052.46/12,077.27 = 2,129.40/x
  3. Step 3: Cross multiply
    8,052.46x = 12,077.27 × 2,129.40
  4. Step 4: Simplify right side
    8,052.46x = 25,717,338.74
  5. Step 5: Solve for x
    x = 25,717,338.74/8,052.46
  6. Step 6: Final answer
    x = 3,193.73

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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.