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Finding the Fourth Proportional to 3,707, 5,114.84 and 2,214.69

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Solution

The fourth proportional to 3,707, 5,114.84 and 2,214.69 is: 3,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707 : 5,114.84 = 2,214.69 : x
  2. Step 2: Convert to fraction form
    3,707/5,114.84 = 2,214.69/x
  3. Step 3: Cross multiply
    3,707x = 5,114.84 × 2,214.69
  4. Step 4: Simplify right side
    3,707x = 11,327,785.00
  5. Step 5: Solve for x
    x = 11,327,785.00/3,707
  6. Step 6: Final answer
    x = 3,055.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.