Home / 6,107.85-9,164.43-2,412.78

Finding the Fourth Proportional to 6,107.85, 9,164.43 and 2,412.78

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Solution

The fourth proportional to 6,107.85, 9,164.43 and 2,412.78 is: 3,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.85 : 9,164.43 = 2,412.78 : x
  2. Step 2: Convert to fraction form
    6,107.85/9,164.43 = 2,412.78/x
  3. Step 3: Cross multiply
    6,107.85x = 9,164.43 × 2,412.78
  4. Step 4: Simplify right side
    6,107.85x = 22,111,753.42
  5. Step 5: Solve for x
    x = 22,111,753.42/6,107.85
  6. Step 6: Final answer
    x = 3,620.22

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1.5x scale

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.