Home / 2,525.76-3,786.36-1,065

Finding the Fourth Proportional to 2,525.76, 3,786.36 and 1,065

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Solution

The fourth proportional to 2,525.76, 3,786.36 and 1,065 is: 1,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.76 : 3,786.36 = 1,065 : x
  2. Step 2: Convert to fraction form
    2,525.76/3,786.36 = 1,065/x
  3. Step 3: Cross multiply
    2,525.76x = 3,786.36 × 1,065
  4. Step 4: Simplify right side
    2,525.76x = 4,032,473.40
  5. Step 5: Solve for x
    x = 4,032,473.40/2,525.76
  6. Step 6: Final answer
    x = 1,596.54

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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.