Home / 3,866.12-5,329.43-3,025.37

Finding the Fourth Proportional to 3,866.12, 5,329.43 and 3,025.37

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Solution

The fourth proportional to 3,866.12, 5,329.43 and 3,025.37 is: 4,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.12 : 5,329.43 = 3,025.37 : x
  2. Step 2: Convert to fraction form
    3,866.12/5,329.43 = 3,025.37/x
  3. Step 3: Cross multiply
    3,866.12x = 5,329.43 × 3,025.37
  4. Step 4: Simplify right side
    3,866.12x = 16,123,455.87
  5. Step 5: Solve for x
    x = 16,123,455.87/3,866.12
  6. Step 6: Final answer
    x = 4,170.45

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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.