Home / 1,568.15-2,352.99-1,108.88

Finding the Fourth Proportional to 1,568.15, 2,352.99 and 1,108.88

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Solution

The fourth proportional to 1,568.15, 2,352.99 and 1,108.88 is: 1,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.15 : 2,352.99 = 1,108.88 : x
  2. Step 2: Convert to fraction form
    1,568.15/2,352.99 = 1,108.88/x
  3. Step 3: Cross multiply
    1,568.15x = 2,352.99 × 1,108.88
  4. Step 4: Simplify right side
    1,568.15x = 2,609,183.55
  5. Step 5: Solve for x
    x = 2,609,183.55/1,568.15
  6. Step 6: Final answer
    x = 1,663.86

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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.