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Finding the Fourth Proportional to 2,137.58, 2,950.03 and 1,193.68

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Solution

The fourth proportional to 2,137.58, 2,950.03 and 1,193.68 is: 1,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.58 : 2,950.03 = 1,193.68 : x
  2. Step 2: Convert to fraction form
    2,137.58/2,950.03 = 1,193.68/x
  3. Step 3: Cross multiply
    2,137.58x = 2,950.03 × 1,193.68
  4. Step 4: Simplify right side
    2,137.58x = 3,521,391.81
  5. Step 5: Solve for x
    x = 3,521,391.81/2,137.58
  6. Step 6: Final answer
    x = 1,647.37

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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.