Home / 3,104.52-4,284.36-1,778.34

Finding the Fourth Proportional to 3,104.52, 4,284.36 and 1,778.34

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Solution

The fourth proportional to 3,104.52, 4,284.36 and 1,778.34 is: 2,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.52 : 4,284.36 = 1,778.34 : x
  2. Step 2: Convert to fraction form
    3,104.52/4,284.36 = 1,778.34/x
  3. Step 3: Cross multiply
    3,104.52x = 4,284.36 × 1,778.34
  4. Step 4: Simplify right side
    3,104.52x = 7,619,048.76
  5. Step 5: Solve for x
    x = 7,619,048.76/3,104.52
  6. Step 6: Final answer
    x = 2,454.18

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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.