Home / 2,107.12-3,160.44-568.24

Finding the Fourth Proportional to 2,107.12, 3,160.44 and 568.24

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Solution

The fourth proportional to 2,107.12, 3,160.44 and 568.24 is: 852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.12 : 3,160.44 = 568.24 : x
  2. Step 2: Convert to fraction form
    2,107.12/3,160.44 = 568.24/x
  3. Step 3: Cross multiply
    2,107.12x = 3,160.44 × 568.24
  4. Step 4: Simplify right side
    2,107.12x = 1,795,888.43
  5. Step 5: Solve for x
    x = 1,795,888.43/2,107.12
  6. Step 6: Final answer
    x = 852.30

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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.