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Finding the Fourth Proportional to 6,210.79, 9,314.20 and 2,049.86

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Solution

The fourth proportional to 6,210.79, 9,314.20 and 2,049.86 is: 3,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.79 : 9,314.20 = 2,049.86 : x
  2. Step 2: Convert to fraction form
    6,210.79/9,314.20 = 2,049.86/x
  3. Step 3: Cross multiply
    6,210.79x = 9,314.20 × 2,049.86
  4. Step 4: Simplify right side
    6,210.79x = 19,092,806.01
  5. Step 5: Solve for x
    x = 19,092,806.01/6,210.79
  6. Step 6: Final answer
    x = 3,074.13

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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.