Home / 7,336.68-11,000.91-2,405.90

Finding the Fourth Proportional to 7,336.68, 11,000.91 and 2,405.90

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Solution

The fourth proportional to 7,336.68, 11,000.91 and 2,405.90 is: 3,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.68 : 11,000.91 = 2,405.90 : x
  2. Step 2: Convert to fraction form
    7,336.68/11,000.91 = 2,405.90/x
  3. Step 3: Cross multiply
    7,336.68x = 11,000.91 × 2,405.90
  4. Step 4: Simplify right side
    7,336.68x = 26,467,125.89
  5. Step 5: Solve for x
    x = 26,467,125.89/7,336.68
  6. Step 6: Final answer
    x = 3,607.51

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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.