Home / 2,089.96-3,133.50-1,395.88

Finding the Fourth Proportional to 2,089.96, 3,133.50 and 1,395.88

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Solution

The fourth proportional to 2,089.96, 3,133.50 and 1,395.88 is: 2,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.96 : 3,133.50 = 1,395.88 : x
  2. Step 2: Convert to fraction form
    2,089.96/3,133.50 = 1,395.88/x
  3. Step 3: Cross multiply
    2,089.96x = 3,133.50 × 1,395.88
  4. Step 4: Simplify right side
    2,089.96x = 4,373,989.98
  5. Step 5: Solve for x
    x = 4,373,989.98/2,089.96
  6. Step 6: Final answer
    x = 2,092.86

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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.