Home / 3,021.04-4,168.78-1,694.56

Finding the Fourth Proportional to 3,021.04, 4,168.78 and 1,694.56

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Solution

The fourth proportional to 3,021.04, 4,168.78 and 1,694.56 is: 2,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.04 : 4,168.78 = 1,694.56 : x
  2. Step 2: Convert to fraction form
    3,021.04/4,168.78 = 1,694.56/x
  3. Step 3: Cross multiply
    3,021.04x = 4,168.78 × 1,694.56
  4. Step 4: Simplify right side
    3,021.04x = 7,064,247.84
  5. Step 5: Solve for x
    x = 7,064,247.84/3,021.04
  6. Step 6: Final answer
    x = 2,338.35

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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.