Home / 2,089.83-3,135.26-1,047.25

Finding the Fourth Proportional to 2,089.83, 3,135.26 and 1,047.25

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Solution

The fourth proportional to 2,089.83, 3,135.26 and 1,047.25 is: 1,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.83 : 3,135.26 = 1,047.25 : x
  2. Step 2: Convert to fraction form
    2,089.83/3,135.26 = 1,047.25/x
  3. Step 3: Cross multiply
    2,089.83x = 3,135.26 × 1,047.25
  4. Step 4: Simplify right side
    2,089.83x = 3,283,384.05
  5. Step 5: Solve for x
    x = 3,283,384.05/2,089.83
  6. Step 6: Final answer
    x = 1,571.12

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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.