Home / 3,512.25-4,846.91-1,940.58

Finding the Fourth Proportional to 3,512.25, 4,846.91 and 1,940.58

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Solution

The fourth proportional to 3,512.25, 4,846.91 and 1,940.58 is: 2,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.25 : 4,846.91 = 1,940.58 : x
  2. Step 2: Convert to fraction form
    3,512.25/4,846.91 = 1,940.58/x
  3. Step 3: Cross multiply
    3,512.25x = 4,846.91 × 1,940.58
  4. Step 4: Simplify right side
    3,512.25x = 9,405,806.90
  5. Step 5: Solve for x
    x = 9,405,806.90/3,512.25
  6. Step 6: Final answer
    x = 2,678.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.