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Finding the Fourth Proportional to 3,250.70, 4,874.70 and 1,249.10

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Solution

The fourth proportional to 3,250.70, 4,874.70 and 1,249.10 is: 1,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.70 : 4,874.70 = 1,249.10 : x
  2. Step 2: Convert to fraction form
    3,250.70/4,874.70 = 1,249.10/x
  3. Step 3: Cross multiply
    3,250.70x = 4,874.70 × 1,249.10
  4. Step 4: Simplify right side
    3,250.70x = 6,088,987.77
  5. Step 5: Solve for x
    x = 6,088,987.77/3,250.70
  6. Step 6: Final answer
    x = 1,873.13

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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.