Home / 2,768.27-4,153.53-1,781.60

Finding the Fourth Proportional to 2,768.27, 4,153.53 and 1,781.60

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Solution

The fourth proportional to 2,768.27, 4,153.53 and 1,781.60 is: 2,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.27 : 4,153.53 = 1,781.60 : x
  2. Step 2: Convert to fraction form
    2,768.27/4,153.53 = 1,781.60/x
  3. Step 3: Cross multiply
    2,768.27x = 4,153.53 × 1,781.60
  4. Step 4: Simplify right side
    2,768.27x = 7,399,908.28
  5. Step 5: Solve for x
    x = 7,399,908.28/2,768.27
  6. Step 6: Final answer
    x = 2,673.12

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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.