Home / 3,447.07-5,170.64-1,367.57

Finding the Fourth Proportional to 3,447.07, 5,170.64 and 1,367.57

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Solution

The fourth proportional to 3,447.07, 5,170.64 and 1,367.57 is: 2,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.07 : 5,170.64 = 1,367.57 : x
  2. Step 2: Convert to fraction form
    3,447.07/5,170.64 = 1,367.57/x
  3. Step 3: Cross multiply
    3,447.07x = 5,170.64 × 1,367.57
  4. Step 4: Simplify right side
    3,447.07x = 7,071,218.23
  5. Step 5: Solve for x
    x = 7,071,218.23/3,447.07
  6. Step 6: Final answer
    x = 2,051.37

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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.