Home / 2,315.41-3,197.99-1,568.06

Finding the Fourth Proportional to 2,315.41, 3,197.99 and 1,568.06

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Solution

The fourth proportional to 2,315.41, 3,197.99 and 1,568.06 is: 2,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.41 : 3,197.99 = 1,568.06 : x
  2. Step 2: Convert to fraction form
    2,315.41/3,197.99 = 1,568.06/x
  3. Step 3: Cross multiply
    2,315.41x = 3,197.99 × 1,568.06
  4. Step 4: Simplify right side
    2,315.41x = 5,014,640.20
  5. Step 5: Solve for x
    x = 5,014,640.20/2,315.41
  6. Step 6: Final answer
    x = 2,165.77

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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.