Home / 4,195.50-5,790.99-2,779.41

Finding the Fourth Proportional to 4,195.50, 5,790.99 and 2,779.41

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Solution

The fourth proportional to 4,195.50, 5,790.99 and 2,779.41 is: 3,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.50 : 5,790.99 = 2,779.41 : x
  2. Step 2: Convert to fraction form
    4,195.50/5,790.99 = 2,779.41/x
  3. Step 3: Cross multiply
    4,195.50x = 5,790.99 × 2,779.41
  4. Step 4: Simplify right side
    4,195.50x = 16,095,535.52
  5. Step 5: Solve for x
    x = 16,095,535.52/4,195.50
  6. Step 6: Final answer
    x = 3,836.38

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Half scale
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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.