Home / 5,089.61-7,635.32-2,623.76

Finding the Fourth Proportional to 5,089.61, 7,635.32 and 2,623.76

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Solution

The fourth proportional to 5,089.61, 7,635.32 and 2,623.76 is: 3,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.61 : 7,635.32 = 2,623.76 : x
  2. Step 2: Convert to fraction form
    5,089.61/7,635.32 = 2,623.76/x
  3. Step 3: Cross multiply
    5,089.61x = 7,635.32 × 2,623.76
  4. Step 4: Simplify right side
    5,089.61x = 20,033,195.91
  5. Step 5: Solve for x
    x = 20,033,195.91/5,089.61
  6. Step 6: Final answer
    x = 3,936.10

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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.