Home / 2,235.05-3,351.21-1,065.00

Finding the Fourth Proportional to 2,235.05, 3,351.21 and 1,065.00

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Solution

The fourth proportional to 2,235.05, 3,351.21 and 1,065.00 is: 1,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.05 : 3,351.21 = 1,065.00 : x
  2. Step 2: Convert to fraction form
    2,235.05/3,351.21 = 1,065.00/x
  3. Step 3: Cross multiply
    2,235.05x = 3,351.21 × 1,065.00
  4. Step 4: Simplify right side
    2,235.05x = 3,569,047.22
  5. Step 5: Solve for x
    x = 3,569,047.22/2,235.05
  6. Step 6: Final answer
    x = 1,596.85

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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.