Home / 5,568.12-8,347.21-2,107.80

Finding the Fourth Proportional to 5,568.12, 8,347.21 and 2,107.80

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Solution

The fourth proportional to 5,568.12, 8,347.21 and 2,107.80 is: 3,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.12 : 8,347.21 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    5,568.12/8,347.21 = 2,107.80/x
  3. Step 3: Cross multiply
    5,568.12x = 8,347.21 × 2,107.80
  4. Step 4: Simplify right side
    5,568.12x = 17,594,249.24
  5. Step 5: Solve for x
    x = 17,594,249.24/5,568.12
  6. Step 6: Final answer
    x = 3,159.82

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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.