Home / 4,922.47-7,384.31-2,000.39

Finding the Fourth Proportional to 4,922.47, 7,384.31 and 2,000.39

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Solution

The fourth proportional to 4,922.47, 7,384.31 and 2,000.39 is: 3,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.47 : 7,384.31 = 2,000.39 : x
  2. Step 2: Convert to fraction form
    4,922.47/7,384.31 = 2,000.39/x
  3. Step 3: Cross multiply
    4,922.47x = 7,384.31 × 2,000.39
  4. Step 4: Simplify right side
    4,922.47x = 14,771,489.88
  5. Step 5: Solve for x
    x = 14,771,489.88/4,922.47
  6. Step 6: Final answer
    x = 3,000.83

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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.