Home / 4,424.39-6,638.18-2,231.47

Finding the Fourth Proportional to 4,424.39, 6,638.18 and 2,231.47

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Solution

The fourth proportional to 4,424.39, 6,638.18 and 2,231.47 is: 3,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.39 : 6,638.18 = 2,231.47 : x
  2. Step 2: Convert to fraction form
    4,424.39/6,638.18 = 2,231.47/x
  3. Step 3: Cross multiply
    4,424.39x = 6,638.18 × 2,231.47
  4. Step 4: Simplify right side
    4,424.39x = 14,812,913.40
  5. Step 5: Solve for x
    x = 14,812,913.40/4,424.39
  6. Step 6: Final answer
    x = 3,348.01

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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.