Home / 5,571.93-8,361.15-2,109.45

Finding the Fourth Proportional to 5,571.93, 8,361.15 and 2,109.45

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Solution

The fourth proportional to 5,571.93, 8,361.15 and 2,109.45 is: 3,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.93 : 8,361.15 = 2,109.45 : x
  2. Step 2: Convert to fraction form
    5,571.93/8,361.15 = 2,109.45/x
  3. Step 3: Cross multiply
    5,571.93x = 8,361.15 × 2,109.45
  4. Step 4: Simplify right side
    5,571.93x = 17,637,427.87
  5. Step 5: Solve for x
    x = 17,637,427.87/5,571.93
  6. Step 6: Final answer
    x = 3,165.41

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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.