Home / 5,074.85-7,003.26-2,836.73

Finding the Fourth Proportional to 5,074.85, 7,003.26 and 2,836.73

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Solution

The fourth proportional to 5,074.85, 7,003.26 and 2,836.73 is: 3,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.85 : 7,003.26 = 2,836.73 : x
  2. Step 2: Convert to fraction form
    5,074.85/7,003.26 = 2,836.73/x
  3. Step 3: Cross multiply
    5,074.85x = 7,003.26 × 2,836.73
  4. Step 4: Simplify right side
    5,074.85x = 19,866,322.72
  5. Step 5: Solve for x
    x = 19,866,322.72/5,074.85
  6. Step 6: Final answer
    x = 3,914.67

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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.