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Finding the Fourth Proportional to 2,673.16, 3,693.05 and 2,135.97

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Solution

The fourth proportional to 2,673.16, 3,693.05 and 2,135.97 is: 2,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.16 : 3,693.05 = 2,135.97 : x
  2. Step 2: Convert to fraction form
    2,673.16/3,693.05 = 2,135.97/x
  3. Step 3: Cross multiply
    2,673.16x = 3,693.05 × 2,135.97
  4. Step 4: Simplify right side
    2,673.16x = 7,888,244.01
  5. Step 5: Solve for x
    x = 7,888,244.01/2,673.16
  6. Step 6: Final answer
    x = 2,950.91

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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.