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Finding the Fourth Proportional to 3,173.04, 4,755.90 and 1,709.12

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Solution

The fourth proportional to 3,173.04, 4,755.90 and 1,709.12 is: 2,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.04 : 4,755.90 = 1,709.12 : x
  2. Step 2: Convert to fraction form
    3,173.04/4,755.90 = 1,709.12/x
  3. Step 3: Cross multiply
    3,173.04x = 4,755.90 × 1,709.12
  4. Step 4: Simplify right side
    3,173.04x = 8,128,403.81
  5. Step 5: Solve for x
    x = 8,128,403.81/3,173.04
  6. Step 6: Final answer
    x = 2,561.71

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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.