Home / 7,531.92-11,295.81-3,148.65

Finding the Fourth Proportional to 7,531.92, 11,295.81 and 3,148.65

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Solution

The fourth proportional to 7,531.92, 11,295.81 and 3,148.65 is: 4,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.92 : 11,295.81 = 3,148.65 : x
  2. Step 2: Convert to fraction form
    7,531.92/11,295.81 = 3,148.65/x
  3. Step 3: Cross multiply
    7,531.92x = 11,295.81 × 3,148.65
  4. Step 4: Simplify right side
    7,531.92x = 35,566,552.16
  5. Step 5: Solve for x
    x = 35,566,552.16/7,531.92
  6. Step 6: Final answer
    x = 4,722.11

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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.