Home / 3,167.73-4,369.40-1,907.94

Finding the Fourth Proportional to 3,167.73, 4,369.40 and 1,907.94

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Solution

The fourth proportional to 3,167.73, 4,369.40 and 1,907.94 is: 2,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.73 : 4,369.40 = 1,907.94 : x
  2. Step 2: Convert to fraction form
    3,167.73/4,369.40 = 1,907.94/x
  3. Step 3: Cross multiply
    3,167.73x = 4,369.40 × 1,907.94
  4. Step 4: Simplify right side
    3,167.73x = 8,336,521.65
  5. Step 5: Solve for x
    x = 8,336,521.65/3,167.73
  6. Step 6: Final answer
    x = 2,631.70

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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.