Home / 5,022.29-6,930.77-2,784.20

Finding the Fourth Proportional to 5,022.29, 6,930.77 and 2,784.20

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Solution

The fourth proportional to 5,022.29, 6,930.77 and 2,784.20 is: 3,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.29 : 6,930.77 = 2,784.20 : x
  2. Step 2: Convert to fraction form
    5,022.29/6,930.77 = 2,784.20/x
  3. Step 3: Cross multiply
    5,022.29x = 6,930.77 × 2,784.20
  4. Step 4: Simplify right side
    5,022.29x = 19,296,622.14
  5. Step 5: Solve for x
    x = 19,296,622.14/5,022.29
  6. Step 6: Final answer
    x = 3,842.19

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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.