Home / 4,187.75-5,775.89-3,068.28

Finding the Fourth Proportional to 4,187.75, 5,775.89 and 3,068.28

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Solution

The fourth proportional to 4,187.75, 5,775.89 and 3,068.28 is: 4,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.75 : 5,775.89 = 3,068.28 : x
  2. Step 2: Convert to fraction form
    4,187.75/5,775.89 = 3,068.28/x
  3. Step 3: Cross multiply
    4,187.75x = 5,775.89 × 3,068.28
  4. Step 4: Simplify right side
    4,187.75x = 17,722,032.43
  5. Step 5: Solve for x
    x = 17,722,032.43/4,187.75
  6. Step 6: Final answer
    x = 4,231.88

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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.