Home / 8,910.26-13,362.78-2,670.02

Finding the Fourth Proportional to 8,910.26, 13,362.78 and 2,670.02

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Solution

The fourth proportional to 8,910.26, 13,362.78 and 2,670.02 is: 4,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.26 : 13,362.78 = 2,670.02 : x
  2. Step 2: Convert to fraction form
    8,910.26/13,362.78 = 2,670.02/x
  3. Step 3: Cross multiply
    8,910.26x = 13,362.78 × 2,670.02
  4. Step 4: Simplify right side
    8,910.26x = 35,678,889.86
  5. Step 5: Solve for x
    x = 35,678,889.86/8,910.26
  6. Step 6: Final answer
    x = 4,004.25

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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.