Home / 5,476.41-8,216.37-2,189.43

Finding the Fourth Proportional to 5,476.41, 8,216.37 and 2,189.43

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Solution

The fourth proportional to 5,476.41, 8,216.37 and 2,189.43 is: 3,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.41 : 8,216.37 = 2,189.43 : x
  2. Step 2: Convert to fraction form
    5,476.41/8,216.37 = 2,189.43/x
  3. Step 3: Cross multiply
    5,476.41x = 8,216.37 × 2,189.43
  4. Step 4: Simplify right side
    5,476.41x = 17,989,166.97
  5. Step 5: Solve for x
    x = 17,989,166.97/5,476.41
  6. Step 6: Final answer
    x = 3,284.85

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1.5x scale

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.