Home / 7,105.68-10,656.36-2,176.02

Finding the Fourth Proportional to 7,105.68, 10,656.36 and 2,176.02

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Solution

The fourth proportional to 7,105.68, 10,656.36 and 2,176.02 is: 3,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.68 : 10,656.36 = 2,176.02 : x
  2. Step 2: Convert to fraction form
    7,105.68/10,656.36 = 2,176.02/x
  3. Step 3: Cross multiply
    7,105.68x = 10,656.36 × 2,176.02
  4. Step 4: Simplify right side
    7,105.68x = 23,188,452.49
  5. Step 5: Solve for x
    x = 23,188,452.49/7,105.68
  6. Step 6: Final answer
    x = 3,263.37

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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.