Home / 5,022.20-6,930.61-2,784.08

Finding the Fourth Proportional to 5,022.20, 6,930.61 and 2,784.08

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Solution

The fourth proportional to 5,022.20, 6,930.61 and 2,784.08 is: 3,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.20 : 6,930.61 = 2,784.08 : x
  2. Step 2: Convert to fraction form
    5,022.20/6,930.61 = 2,784.08/x
  3. Step 3: Cross multiply
    5,022.20x = 6,930.61 × 2,784.08
  4. Step 4: Simplify right side
    5,022.20x = 19,295,346.99
  5. Step 5: Solve for x
    x = 19,295,346.99/5,022.20
  6. Step 6: Final answer
    x = 3,842.01

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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.