Home / 2,759.60-4,135.28-2,361.92

Finding the Fourth Proportional to 2,759.60, 4,135.28 and 2,361.92

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Solution

The fourth proportional to 2,759.60, 4,135.28 and 2,361.92 is: 3,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.60 : 4,135.28 = 2,361.92 : x
  2. Step 2: Convert to fraction form
    2,759.60/4,135.28 = 2,361.92/x
  3. Step 3: Cross multiply
    2,759.60x = 4,135.28 × 2,361.92
  4. Step 4: Simplify right side
    2,759.60x = 9,767,168.05
  5. Step 5: Solve for x
    x = 9,767,168.05/2,759.60
  6. Step 6: Final answer
    x = 3,539.34

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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.