Home / 7,400.61-11,105.30-2,723.91

Finding the Fourth Proportional to 7,400.61, 11,105.30 and 2,723.91

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Solution

The fourth proportional to 7,400.61, 11,105.30 and 2,723.91 is: 4,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.61 : 11,105.30 = 2,723.91 : x
  2. Step 2: Convert to fraction form
    7,400.61/11,105.30 = 2,723.91/x
  3. Step 3: Cross multiply
    7,400.61x = 11,105.30 × 2,723.91
  4. Step 4: Simplify right side
    7,400.61x = 30,249,768.58
  5. Step 5: Solve for x
    x = 30,249,768.58/7,400.61
  6. Step 6: Final answer
    x = 4,087.47

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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.