Home / 4,684.08-7,028.52-1,912.56

Finding the Fourth Proportional to 4,684.08, 7,028.52 and 1,912.56

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Solution

The fourth proportional to 4,684.08, 7,028.52 and 1,912.56 is: 2,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.08 : 7,028.52 = 1,912.56 : x
  2. Step 2: Convert to fraction form
    4,684.08/7,028.52 = 1,912.56/x
  3. Step 3: Cross multiply
    4,684.08x = 7,028.52 × 1,912.56
  4. Step 4: Simplify right side
    4,684.08x = 13,442,466.21
  5. Step 5: Solve for x
    x = 13,442,466.21/4,684.08
  6. Step 6: Final answer
    x = 2,869.82

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1.5x scale

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.