Home / 4,911.12-6,776.96-3,022.16

Finding the Fourth Proportional to 4,911.12, 6,776.96 and 3,022.16

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Solution

The fourth proportional to 4,911.12, 6,776.96 and 3,022.16 is: 4,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.12 : 6,776.96 = 3,022.16 : x
  2. Step 2: Convert to fraction form
    4,911.12/6,776.96 = 3,022.16/x
  3. Step 3: Cross multiply
    4,911.12x = 6,776.96 × 3,022.16
  4. Step 4: Simplify right side
    4,911.12x = 20,481,057.43
  5. Step 5: Solve for x
    x = 20,481,057.43/4,911.12
  6. Step 6: Final answer
    x = 4,170.34

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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.