Home / 3,369.94-5,055.58-1,422.14

Finding the Fourth Proportional to 3,369.94, 5,055.58 and 1,422.14

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Solution

The fourth proportional to 3,369.94, 5,055.58 and 1,422.14 is: 2,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.94 : 5,055.58 = 1,422.14 : x
  2. Step 2: Convert to fraction form
    3,369.94/5,055.58 = 1,422.14/x
  3. Step 3: Cross multiply
    3,369.94x = 5,055.58 × 1,422.14
  4. Step 4: Simplify right side
    3,369.94x = 7,189,742.54
  5. Step 5: Solve for x
    x = 7,189,742.54/3,369.94
  6. Step 6: Final answer
    x = 2,133.49

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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.