Home / 5,540.43-8,308.21-2,075.25

Finding the Fourth Proportional to 5,540.43, 8,308.21 and 2,075.25

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Solution

The fourth proportional to 5,540.43, 8,308.21 and 2,075.25 is: 3,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.43 : 8,308.21 = 2,075.25 : x
  2. Step 2: Convert to fraction form
    5,540.43/8,308.21 = 2,075.25/x
  3. Step 3: Cross multiply
    5,540.43x = 8,308.21 × 2,075.25
  4. Step 4: Simplify right side
    5,540.43x = 17,241,607.61
  5. Step 5: Solve for x
    x = 17,241,607.61/5,540.43
  6. Step 6: Final answer
    x = 3,111.96

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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.