Home / 2,183.11-3,012.74-1,711.57

Finding the Fourth Proportional to 2,183.11, 3,012.74 and 1,711.57

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Solution

The fourth proportional to 2,183.11, 3,012.74 and 1,711.57 is: 2,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.11 : 3,012.74 = 1,711.57 : x
  2. Step 2: Convert to fraction form
    2,183.11/3,012.74 = 1,711.57/x
  3. Step 3: Cross multiply
    2,183.11x = 3,012.74 × 1,711.57
  4. Step 4: Simplify right side
    2,183.11x = 5,156,515.40
  5. Step 5: Solve for x
    x = 5,156,515.40/2,183.11
  6. Step 6: Final answer
    x = 2,362.00

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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.