Home / 4,111.22-6,168.90-1,646.75

Finding the Fourth Proportional to 4,111.22, 6,168.90 and 1,646.75

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Solution

The fourth proportional to 4,111.22, 6,168.90 and 1,646.75 is: 2,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.22 : 6,168.90 = 1,646.75 : x
  2. Step 2: Convert to fraction form
    4,111.22/6,168.90 = 1,646.75/x
  3. Step 3: Cross multiply
    4,111.22x = 6,168.90 × 1,646.75
  4. Step 4: Simplify right side
    4,111.22x = 10,158,636.08
  5. Step 5: Solve for x
    x = 10,158,636.08/4,111.22
  6. Step 6: Final answer
    x = 2,470.95

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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.