Home / 1,568.01-2,174.18-1,515.97

Finding the Fourth Proportional to 1,568.01, 2,174.18 and 1,515.97

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Solution

The fourth proportional to 1,568.01, 2,174.18 and 1,515.97 is: 2,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.01 : 2,174.18 = 1,515.97 : x
  2. Step 2: Convert to fraction form
    1,568.01/2,174.18 = 1,515.97/x
  3. Step 3: Cross multiply
    1,568.01x = 2,174.18 × 1,515.97
  4. Step 4: Simplify right side
    1,568.01x = 3,295,991.65
  5. Step 5: Solve for x
    x = 3,295,991.65/1,568.01
  6. Step 6: Final answer
    x = 2,102.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.