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Finding the Fourth Proportional to 3,730.02, 5,600.70 and 3,185.70

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Solution

The fourth proportional to 3,730.02, 5,600.70 and 3,185.70 is: 4,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.02 : 5,600.70 = 3,185.70 : x
  2. Step 2: Convert to fraction form
    3,730.02/5,600.70 = 3,185.70/x
  3. Step 3: Cross multiply
    3,730.02x = 5,600.70 × 3,185.70
  4. Step 4: Simplify right side
    3,730.02x = 17,842,149.99
  5. Step 5: Solve for x
    x = 17,842,149.99/3,730.02
  6. Step 6: Final answer
    x = 4,783.39

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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.