Home / 4,168.20-5,752.09-2,305.20

Finding the Fourth Proportional to 4,168.20, 5,752.09 and 2,305.20

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Solution

The fourth proportional to 4,168.20, 5,752.09 and 2,305.20 is: 3,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.20 : 5,752.09 = 2,305.20 : x
  2. Step 2: Convert to fraction form
    4,168.20/5,752.09 = 2,305.20/x
  3. Step 3: Cross multiply
    4,168.20x = 5,752.09 × 2,305.20
  4. Step 4: Simplify right side
    4,168.20x = 13,259,717.87
  5. Step 5: Solve for x
    x = 13,259,717.87/4,168.20
  6. Step 6: Final answer
    x = 3,181.16

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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.