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Finding the Fourth Proportional to 4,885.90, 7,327.90 and 2,384.57

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Solution

The fourth proportional to 4,885.90, 7,327.90 and 2,384.57 is: 3,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.90 : 7,327.90 = 2,384.57 : x
  2. Step 2: Convert to fraction form
    4,885.90/7,327.90 = 2,384.57/x
  3. Step 3: Cross multiply
    4,885.90x = 7,327.90 × 2,384.57
  4. Step 4: Simplify right side
    4,885.90x = 17,473,890.50
  5. Step 5: Solve for x
    x = 17,473,890.50/4,885.90
  6. Step 6: Final answer
    x = 3,576.39

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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.