Home / 3,209.16-4,813.58-1,907.76

Finding the Fourth Proportional to 3,209.16, 4,813.58 and 1,907.76

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Solution

The fourth proportional to 3,209.16, 4,813.58 and 1,907.76 is: 2,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.16 : 4,813.58 = 1,907.76 : x
  2. Step 2: Convert to fraction form
    3,209.16/4,813.58 = 1,907.76/x
  3. Step 3: Cross multiply
    3,209.16x = 4,813.58 × 1,907.76
  4. Step 4: Simplify right side
    3,209.16x = 9,183,155.38
  5. Step 5: Solve for x
    x = 9,183,155.38/3,209.16
  6. Step 6: Final answer
    x = 2,861.54

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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.