Home / 2,585.11-3,858.91-2,392.37

Finding the Fourth Proportional to 2,585.11, 3,858.91 and 2,392.37

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Solution

The fourth proportional to 2,585.11, 3,858.91 and 2,392.37 is: 3,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.11 : 3,858.91 = 2,392.37 : x
  2. Step 2: Convert to fraction form
    2,585.11/3,858.91 = 2,392.37/x
  3. Step 3: Cross multiply
    2,585.11x = 3,858.91 × 2,392.37
  4. Step 4: Simplify right side
    2,585.11x = 9,231,940.52
  5. Step 5: Solve for x
    x = 9,231,940.52/2,585.11
  6. Step 6: Final answer
    x = 3,571.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.