Home / 7,369.65-11,054.81-2,439.72

Finding the Fourth Proportional to 7,369.65, 11,054.81 and 2,439.72

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Solution

The fourth proportional to 7,369.65, 11,054.81 and 2,439.72 is: 3,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.65 : 11,054.81 = 2,439.72 : x
  2. Step 2: Convert to fraction form
    7,369.65/11,054.81 = 2,439.72/x
  3. Step 3: Cross multiply
    7,369.65x = 11,054.81 × 2,439.72
  4. Step 4: Simplify right side
    7,369.65x = 26,970,647.15
  5. Step 5: Solve for x
    x = 26,970,647.15/7,369.65
  6. Step 6: Final answer
    x = 3,659.69

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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.