Home / 4,085.18-6,128.00-1,163.25

Finding the Fourth Proportional to 4,085.18, 6,128.00 and 1,163.25

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Solution

The fourth proportional to 4,085.18, 6,128.00 and 1,163.25 is: 1,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.18 : 6,128.00 = 1,163.25 : x
  2. Step 2: Convert to fraction form
    4,085.18/6,128.00 = 1,163.25/x
  3. Step 3: Cross multiply
    4,085.18x = 6,128.00 × 1,163.25
  4. Step 4: Simplify right side
    4,085.18x = 7,128,390.18
  5. Step 5: Solve for x
    x = 7,128,390.18/4,085.18
  6. Step 6: Final answer
    x = 1,744.94

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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.