Home / 5,460.36-7,536.20-3,222.78

Finding the Fourth Proportional to 5,460.36, 7,536.20 and 3,222.78

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Solution

The fourth proportional to 5,460.36, 7,536.20 and 3,222.78 is: 4,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.36 : 7,536.20 = 3,222.78 : x
  2. Step 2: Convert to fraction form
    5,460.36/7,536.20 = 3,222.78/x
  3. Step 3: Cross multiply
    5,460.36x = 7,536.20 × 3,222.78
  4. Step 4: Simplify right side
    5,460.36x = 24,287,498.52
  5. Step 5: Solve for x
    x = 24,287,498.52/5,460.36
  6. Step 6: Final answer
    x = 4,447.97

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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.