Home / 2,743.45-4,116.20-1,648.60

Finding the Fourth Proportional to 2,743.45, 4,116.20 and 1,648.60

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Solution

The fourth proportional to 2,743.45, 4,116.20 and 1,648.60 is: 2,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.45 : 4,116.20 = 1,648.60 : x
  2. Step 2: Convert to fraction form
    2,743.45/4,116.20 = 1,648.60/x
  3. Step 3: Cross multiply
    2,743.45x = 4,116.20 × 1,648.60
  4. Step 4: Simplify right side
    2,743.45x = 6,785,948.79
  5. Step 5: Solve for x
    x = 6,785,948.79/2,743.45
  6. Step 6: Final answer
    x = 2,473.51

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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.