Home / 2,089.75-3,134.45-1,102.01

Finding the Fourth Proportional to 2,089.75, 3,134.45 and 1,102.01

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Solution

The fourth proportional to 2,089.75, 3,134.45 and 1,102.01 is: 1,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.75 : 3,134.45 = 1,102.01 : x
  2. Step 2: Convert to fraction form
    2,089.75/3,134.45 = 1,102.01/x
  3. Step 3: Cross multiply
    2,089.75x = 3,134.45 × 1,102.01
  4. Step 4: Simplify right side
    2,089.75x = 3,454,176.13
  5. Step 5: Solve for x
    x = 3,454,176.13/2,089.75
  6. Step 6: Final answer
    x = 1,652.91

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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.