Home / 4,540.52-6,811.36-1,619.12

Finding the Fourth Proportional to 4,540.52, 6,811.36 and 1,619.12

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Solution

The fourth proportional to 4,540.52, 6,811.36 and 1,619.12 is: 2,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.52 : 6,811.36 = 1,619.12 : x
  2. Step 2: Convert to fraction form
    4,540.52/6,811.36 = 1,619.12/x
  3. Step 3: Cross multiply
    4,540.52x = 6,811.36 × 1,619.12
  4. Step 4: Simplify right side
    4,540.52x = 11,028,409.20
  5. Step 5: Solve for x
    x = 11,028,409.20/4,540.52
  6. Step 6: Final answer
    x = 2,428.89

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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.