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Finding the Fourth Proportional to 2,682.02, 3,701.21 and 1,503.09

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Solution

The fourth proportional to 2,682.02, 3,701.21 and 1,503.09 is: 2,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.02 : 3,701.21 = 1,503.09 : x
  2. Step 2: Convert to fraction form
    2,682.02/3,701.21 = 1,503.09/x
  3. Step 3: Cross multiply
    2,682.02x = 3,701.21 × 1,503.09
  4. Step 4: Simplify right side
    2,682.02x = 5,563,244.22
  5. Step 5: Solve for x
    x = 5,563,244.22/2,682.02
  6. Step 6: Final answer
    x = 2,074.28

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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.