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Finding the Fourth Proportional to 3,875.03, 5,809.20 and 2,644.84

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Solution

The fourth proportional to 3,875.03, 5,809.20 and 2,644.84 is: 3,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.03 : 5,809.20 = 2,644.84 : x
  2. Step 2: Convert to fraction form
    3,875.03/5,809.20 = 2,644.84/x
  3. Step 3: Cross multiply
    3,875.03x = 5,809.20 × 2,644.84
  4. Step 4: Simplify right side
    3,875.03x = 15,364,404.53
  5. Step 5: Solve for x
    x = 15,364,404.53/3,875.03
  6. Step 6: Final answer
    x = 3,964.98

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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.