Home / 7,345.62-11,019.65-3,647.97

Finding the Fourth Proportional to 7,345.62, 11,019.65 and 3,647.97

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Solution

The fourth proportional to 7,345.62, 11,019.65 and 3,647.97 is: 5,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.62 : 11,019.65 = 3,647.97 : x
  2. Step 2: Convert to fraction form
    7,345.62/11,019.65 = 3,647.97/x
  3. Step 3: Cross multiply
    7,345.62x = 11,019.65 × 3,647.97
  4. Step 4: Simplify right side
    7,345.62x = 40,199,334.37
  5. Step 5: Solve for x
    x = 40,199,334.37/7,345.62
  6. Step 6: Final answer
    x = 5,472.56

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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.