Home / 4,911.10-6,775.31-3,022.11

Finding the Fourth Proportional to 4,911.10, 6,775.31 and 3,022.11

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Solution

The fourth proportional to 4,911.10, 6,775.31 and 3,022.11 is: 4,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.10 : 6,775.31 = 3,022.11 : x
  2. Step 2: Convert to fraction form
    4,911.10/6,775.31 = 3,022.11/x
  3. Step 3: Cross multiply
    4,911.10x = 6,775.31 × 3,022.11
  4. Step 4: Simplify right side
    4,911.10x = 20,475,739.66
  5. Step 5: Solve for x
    x = 20,475,739.66/4,911.10
  6. Step 6: Final answer
    x = 4,169.28

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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.