Home / 2,684.95-4,024.31-2,192.12

Finding the Fourth Proportional to 2,684.95, 4,024.31 and 2,192.12

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Solution

The fourth proportional to 2,684.95, 4,024.31 and 2,192.12 is: 3,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.95 : 4,024.31 = 2,192.12 : x
  2. Step 2: Convert to fraction form
    2,684.95/4,024.31 = 2,192.12/x
  3. Step 3: Cross multiply
    2,684.95x = 4,024.31 × 2,192.12
  4. Step 4: Simplify right side
    2,684.95x = 8,821,770.44
  5. Step 5: Solve for x
    x = 8,821,770.44/2,684.95
  6. Step 6: Final answer
    x = 3,285.64

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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.