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Finding the Fourth Proportional to 3,875.03, 5,809.28 and 1,682.11

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Solution

The fourth proportional to 3,875.03, 5,809.28 and 1,682.11 is: 2,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.03 : 5,809.28 = 1,682.11 : x
  2. Step 2: Convert to fraction form
    3,875.03/5,809.28 = 1,682.11/x
  3. Step 3: Cross multiply
    3,875.03x = 5,809.28 × 1,682.11
  4. Step 4: Simplify right side
    3,875.03x = 9,771,847.98
  5. Step 5: Solve for x
    x = 9,771,847.98/3,875.03
  6. Step 6: Final answer
    x = 2,521.75

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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.