Home / 7,316.48-10,976.52-2,122.28

Finding the Fourth Proportional to 7,316.48, 10,976.52 and 2,122.28

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Solution

The fourth proportional to 7,316.48, 10,976.52 and 2,122.28 is: 3,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.48 : 10,976.52 = 2,122.28 : x
  2. Step 2: Convert to fraction form
    7,316.48/10,976.52 = 2,122.28/x
  3. Step 3: Cross multiply
    7,316.48x = 10,976.52 × 2,122.28
  4. Step 4: Simplify right side
    7,316.48x = 23,295,248.87
  5. Step 5: Solve for x
    x = 23,295,248.87/7,316.48
  6. Step 6: Final answer
    x = 3,183.94

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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.