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Finding the Fourth Proportional to 2,950.93, 4,071.67 and 1,691.89

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Solution

The fourth proportional to 2,950.93, 4,071.67 and 1,691.89 is: 2,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.93 : 4,071.67 = 1,691.89 : x
  2. Step 2: Convert to fraction form
    2,950.93/4,071.67 = 1,691.89/x
  3. Step 3: Cross multiply
    2,950.93x = 4,071.67 × 1,691.89
  4. Step 4: Simplify right side
    2,950.93x = 6,888,788.94
  5. Step 5: Solve for x
    x = 6,888,788.94/2,950.93
  6. Step 6: Final answer
    x = 2,334.45

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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.