Home / 3,716.25-5,119.98-2,874.06

Finding the Fourth Proportional to 3,716.25, 5,119.98 and 2,874.06

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Solution

The fourth proportional to 3,716.25, 5,119.98 and 2,874.06 is: 3,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.25 : 5,119.98 = 2,874.06 : x
  2. Step 2: Convert to fraction form
    3,716.25/5,119.98 = 2,874.06/x
  3. Step 3: Cross multiply
    3,716.25x = 5,119.98 × 2,874.06
  4. Step 4: Simplify right side
    3,716.25x = 14,715,129.72
  5. Step 5: Solve for x
    x = 14,715,129.72/3,716.25
  6. Step 6: Final answer
    x = 3,959.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.