Home / 2,766.74-3,818.38-2,066.90

Finding the Fourth Proportional to 2,766.74, 3,818.38 and 2,066.90

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Solution

The fourth proportional to 2,766.74, 3,818.38 and 2,066.90 is: 2,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.74 : 3,818.38 = 2,066.90 : x
  2. Step 2: Convert to fraction form
    2,766.74/3,818.38 = 2,066.90/x
  3. Step 3: Cross multiply
    2,766.74x = 3,818.38 × 2,066.90
  4. Step 4: Simplify right side
    2,766.74x = 7,892,209.62
  5. Step 5: Solve for x
    x = 7,892,209.62/2,766.74
  6. Step 6: Final answer
    x = 2,852.53

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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.