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Finding the Fourth Proportional to 3,173.77, 4,757.01 and 1,612.90

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Solution

The fourth proportional to 3,173.77, 4,757.01 and 1,612.90 is: 2,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.77 : 4,757.01 = 1,612.90 : x
  2. Step 2: Convert to fraction form
    3,173.77/4,757.01 = 1,612.90/x
  3. Step 3: Cross multiply
    3,173.77x = 4,757.01 × 1,612.90
  4. Step 4: Simplify right side
    3,173.77x = 7,672,581.43
  5. Step 5: Solve for x
    x = 7,672,581.43/3,173.77
  6. Step 6: Final answer
    x = 2,417.50

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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.