Home / 3,512.14-4,846.71-1,940.20

Finding the Fourth Proportional to 3,512.14, 4,846.71 and 1,940.20

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Solution

The fourth proportional to 3,512.14, 4,846.71 and 1,940.20 is: 2,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.14 : 4,846.71 = 1,940.20 : x
  2. Step 2: Convert to fraction form
    3,512.14/4,846.71 = 1,940.20/x
  3. Step 3: Cross multiply
    3,512.14x = 4,846.71 × 1,940.20
  4. Step 4: Simplify right side
    3,512.14x = 9,403,586.74
  5. Step 5: Solve for x
    x = 9,403,586.74/3,512.14
  6. Step 6: Final answer
    x = 2,677.45

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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.