Home / 6,972.75-10,459.73-1,778.61

Finding the Fourth Proportional to 6,972.75, 10,459.73 and 1,778.61

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Solution

The fourth proportional to 6,972.75, 10,459.73 and 1,778.61 is: 2,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.75 : 10,459.73 = 1,778.61 : x
  2. Step 2: Convert to fraction form
    6,972.75/10,459.73 = 1,778.61/x
  3. Step 3: Cross multiply
    6,972.75x = 10,459.73 × 1,778.61
  4. Step 4: Simplify right side
    6,972.75x = 18,603,771.48
  5. Step 5: Solve for x
    x = 18,603,771.48/6,972.75
  6. Step 6: Final answer
    x = 2,668.07

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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.