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Finding the Fourth Proportional to 3,503.63, 5,254.40 and 2,885.81

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Solution

The fourth proportional to 3,503.63, 5,254.40 and 2,885.81 is: 4,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.63 : 5,254.40 = 2,885.81 : x
  2. Step 2: Convert to fraction form
    3,503.63/5,254.40 = 2,885.81/x
  3. Step 3: Cross multiply
    3,503.63x = 5,254.40 × 2,885.81
  4. Step 4: Simplify right side
    3,503.63x = 15,163,181.01
  5. Step 5: Solve for x
    x = 15,163,181.01/3,503.63
  6. Step 6: Final answer
    x = 4,327.85

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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.