Home / 4,919.22-6,788.70-2,823.48

Finding the Fourth Proportional to 4,919.22, 6,788.70 and 2,823.48

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Solution

The fourth proportional to 4,919.22, 6,788.70 and 2,823.48 is: 3,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.22 : 6,788.70 = 2,823.48 : x
  2. Step 2: Convert to fraction form
    4,919.22/6,788.70 = 2,823.48/x
  3. Step 3: Cross multiply
    4,919.22x = 6,788.70 × 2,823.48
  4. Step 4: Simplify right side
    4,919.22x = 19,167,758.68
  5. Step 5: Solve for x
    x = 19,167,758.68/4,919.22
  6. Step 6: Final answer
    x = 3,896.50

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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.