Home / 3,104.94-4,284.46-1,778.58

Finding the Fourth Proportional to 3,104.94, 4,284.46 and 1,778.58

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Solution

The fourth proportional to 3,104.94, 4,284.46 and 1,778.58 is: 2,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.94 : 4,284.46 = 1,778.58 : x
  2. Step 2: Convert to fraction form
    3,104.94/4,284.46 = 1,778.58/x
  3. Step 3: Cross multiply
    3,104.94x = 4,284.46 × 1,778.58
  4. Step 4: Simplify right side
    3,104.94x = 7,620,254.87
  5. Step 5: Solve for x
    x = 7,620,254.87/3,104.94
  6. Step 6: Final answer
    x = 2,454.24

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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.