Home / 3,050.26-4,209.52-1,930.79

Finding the Fourth Proportional to 3,050.26, 4,209.52 and 1,930.79

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Solution

The fourth proportional to 3,050.26, 4,209.52 and 1,930.79 is: 2,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.26 : 4,209.52 = 1,930.79 : x
  2. Step 2: Convert to fraction form
    3,050.26/4,209.52 = 1,930.79/x
  3. Step 3: Cross multiply
    3,050.26x = 4,209.52 × 1,930.79
  4. Step 4: Simplify right side
    3,050.26x = 8,127,684.76
  5. Step 5: Solve for x
    x = 8,127,684.76/3,050.26
  6. Step 6: Final answer
    x = 2,664.59

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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.