Home / 5,468.12-8,206.15-2,182.15

Finding the Fourth Proportional to 5,468.12, 8,206.15 and 2,182.15

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Solution

The fourth proportional to 5,468.12, 8,206.15 and 2,182.15 is: 3,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.12 : 8,206.15 = 2,182.15 : x
  2. Step 2: Convert to fraction form
    5,468.12/8,206.15 = 2,182.15/x
  3. Step 3: Cross multiply
    5,468.12x = 8,206.15 × 2,182.15
  4. Step 4: Simplify right side
    5,468.12x = 17,907,050.22
  5. Step 5: Solve for x
    x = 17,907,050.22/5,468.12
  6. Step 6: Final answer
    x = 3,274.81

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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.