Home / 3,182.33-4,392.09-1,855.85

Finding the Fourth Proportional to 3,182.33, 4,392.09 and 1,855.85

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Solution

The fourth proportional to 3,182.33, 4,392.09 and 1,855.85 is: 2,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.33 : 4,392.09 = 1,855.85 : x
  2. Step 2: Convert to fraction form
    3,182.33/4,392.09 = 1,855.85/x
  3. Step 3: Cross multiply
    3,182.33x = 4,392.09 × 1,855.85
  4. Step 4: Simplify right side
    3,182.33x = 8,151,060.23
  5. Step 5: Solve for x
    x = 8,151,060.23/3,182.33
  6. Step 6: Final answer
    x = 2,561.35

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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.