Home / 2,945.73-4,065.06-1,826.73

Finding the Fourth Proportional to 2,945.73, 4,065.06 and 1,826.73

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Solution

The fourth proportional to 2,945.73, 4,065.06 and 1,826.73 is: 2,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.73 : 4,065.06 = 1,826.73 : x
  2. Step 2: Convert to fraction form
    2,945.73/4,065.06 = 1,826.73/x
  3. Step 3: Cross multiply
    2,945.73x = 4,065.06 × 1,826.73
  4. Step 4: Simplify right side
    2,945.73x = 7,425,767.05
  5. Step 5: Solve for x
    x = 7,425,767.05/2,945.73
  6. Step 6: Final answer
    x = 2,520.86

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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.