Home / 5,826.39-8,739.78-1,930.68

Finding the Fourth Proportional to 5,826.39, 8,739.78 and 1,930.68

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Solution

The fourth proportional to 5,826.39, 8,739.78 and 1,930.68 is: 2,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.39 : 8,739.78 = 1,930.68 : x
  2. Step 2: Convert to fraction form
    5,826.39/8,739.78 = 1,930.68/x
  3. Step 3: Cross multiply
    5,826.39x = 8,739.78 × 1,930.68
  4. Step 4: Simplify right side
    5,826.39x = 16,873,718.45
  5. Step 5: Solve for x
    x = 16,873,718.45/5,826.39
  6. Step 6: Final answer
    x = 2,896.08

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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.