Home / 4,122.74-6,184.78-1,348.60

Finding the Fourth Proportional to 4,122.74, 6,184.78 and 1,348.60

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Solution

The fourth proportional to 4,122.74, 6,184.78 and 1,348.60 is: 2,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.74 : 6,184.78 = 1,348.60 : x
  2. Step 2: Convert to fraction form
    4,122.74/6,184.78 = 1,348.60/x
  3. Step 3: Cross multiply
    4,122.74x = 6,184.78 × 1,348.60
  4. Step 4: Simplify right side
    4,122.74x = 8,340,794.31
  5. Step 5: Solve for x
    x = 8,340,794.31/4,122.74
  6. Step 6: Final answer
    x = 2,023.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.