Home / 3,370.24-5,055.72-1,422.19

Finding the Fourth Proportional to 3,370.24, 5,055.72 and 1,422.19

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Solution

The fourth proportional to 3,370.24, 5,055.72 and 1,422.19 is: 2,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.24 : 5,055.72 = 1,422.19 : x
  2. Step 2: Convert to fraction form
    3,370.24/5,055.72 = 1,422.19/x
  3. Step 3: Cross multiply
    3,370.24x = 5,055.72 × 1,422.19
  4. Step 4: Simplify right side
    3,370.24x = 7,190,194.43
  5. Step 5: Solve for x
    x = 7,190,194.43/3,370.24
  6. Step 6: Final answer
    x = 2,133.44

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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.