Home / 3,951.95-5,453.75-2,183.56

Finding the Fourth Proportional to 3,951.95, 5,453.75 and 2,183.56

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Solution

The fourth proportional to 3,951.95, 5,453.75 and 2,183.56 is: 3,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.95 : 5,453.75 = 2,183.56 : x
  2. Step 2: Convert to fraction form
    3,951.95/5,453.75 = 2,183.56/x
  3. Step 3: Cross multiply
    3,951.95x = 5,453.75 × 2,183.56
  4. Step 4: Simplify right side
    3,951.95x = 11,908,582.17
  5. Step 5: Solve for x
    x = 11,908,582.17/3,951.95
  6. Step 6: Final answer
    x = 3,013.35

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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.