Home / 5,811.81-8,022.36-3,453.95

Finding the Fourth Proportional to 5,811.81, 8,022.36 and 3,453.95

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Solution

The fourth proportional to 5,811.81, 8,022.36 and 3,453.95 is: 4,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.81 : 8,022.36 = 3,453.95 : x
  2. Step 2: Convert to fraction form
    5,811.81/8,022.36 = 3,453.95/x
  3. Step 3: Cross multiply
    5,811.81x = 8,022.36 × 3,453.95
  4. Step 4: Simplify right side
    5,811.81x = 27,708,790.21
  5. Step 5: Solve for x
    x = 27,708,790.21/5,811.81
  6. Step 6: Final answer
    x = 4,767.67

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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.