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Finding the Fourth Proportional to 6,137.77, 9,210.17 and 2,389.05

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Solution

The fourth proportional to 6,137.77, 9,210.17 and 2,389.05 is: 3,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.77 : 9,210.17 = 2,389.05 : x
  2. Step 2: Convert to fraction form
    6,137.77/9,210.17 = 2,389.05/x
  3. Step 3: Cross multiply
    6,137.77x = 9,210.17 × 2,389.05
  4. Step 4: Simplify right side
    6,137.77x = 22,003,556.64
  5. Step 5: Solve for x
    x = 22,003,556.64/6,137.77
  6. Step 6: Final answer
    x = 3,584.94

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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.