Home / 3,862.19-5,329.76-2,183.54

Finding the Fourth Proportional to 3,862.19, 5,329.76 and 2,183.54

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Solution

The fourth proportional to 3,862.19, 5,329.76 and 2,183.54 is: 3,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.19 : 5,329.76 = 2,183.54 : x
  2. Step 2: Convert to fraction form
    3,862.19/5,329.76 = 2,183.54/x
  3. Step 3: Cross multiply
    3,862.19x = 5,329.76 × 2,183.54
  4. Step 4: Simplify right side
    3,862.19x = 11,637,748.85
  5. Step 5: Solve for x
    x = 11,637,748.85/3,862.19
  6. Step 6: Final answer
    x = 3,013.25

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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.