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Finding the Fourth Proportional to 2,937.87, 4,406.87 and 1,183.05

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Solution

The fourth proportional to 2,937.87, 4,406.87 and 1,183.05 is: 1,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.87 : 4,406.87 = 1,183.05 : x
  2. Step 2: Convert to fraction form
    2,937.87/4,406.87 = 1,183.05/x
  3. Step 3: Cross multiply
    2,937.87x = 4,406.87 × 1,183.05
  4. Step 4: Simplify right side
    2,937.87x = 5,213,547.55
  5. Step 5: Solve for x
    x = 5,213,547.55/2,937.87
  6. Step 6: Final answer
    x = 1,774.60

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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.