Home / 3,021.50-4,168.73-1,694.93

Finding the Fourth Proportional to 3,021.50, 4,168.73 and 1,694.93

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Solution

The fourth proportional to 3,021.50, 4,168.73 and 1,694.93 is: 2,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.50 : 4,168.73 = 1,694.93 : x
  2. Step 2: Convert to fraction form
    3,021.50/4,168.73 = 1,694.93/x
  3. Step 3: Cross multiply
    3,021.50x = 4,168.73 × 1,694.93
  4. Step 4: Simplify right side
    3,021.50x = 7,065,688.93
  5. Step 5: Solve for x
    x = 7,065,688.93/3,021.50
  6. Step 6: Final answer
    x = 2,338.47

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Half scale
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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.