Home / 5,815.19-8,724.61-1,922.33

Finding the Fourth Proportional to 5,815.19, 8,724.61 and 1,922.33

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Solution

The fourth proportional to 5,815.19, 8,724.61 and 1,922.33 is: 2,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.19 : 8,724.61 = 1,922.33 : x
  2. Step 2: Convert to fraction form
    5,815.19/8,724.61 = 1,922.33/x
  3. Step 3: Cross multiply
    5,815.19x = 8,724.61 × 1,922.33
  4. Step 4: Simplify right side
    5,815.19x = 16,771,535.92
  5. Step 5: Solve for x
    x = 16,771,535.92/5,815.19
  6. Step 6: Final answer
    x = 2,884.09

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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.