Home / 3,277.78-4,523.30-1,785.67

Finding the Fourth Proportional to 3,277.78, 4,523.30 and 1,785.67

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Solution

The fourth proportional to 3,277.78, 4,523.30 and 1,785.67 is: 2,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.78 : 4,523.30 = 1,785.67 : x
  2. Step 2: Convert to fraction form
    3,277.78/4,523.30 = 1,785.67/x
  3. Step 3: Cross multiply
    3,277.78x = 4,523.30 × 1,785.67
  4. Step 4: Simplify right side
    3,277.78x = 8,077,121.11
  5. Step 5: Solve for x
    x = 8,077,121.11/3,277.78
  6. Step 6: Final answer
    x = 2,464.20

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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.