Home / 2,935.85-4,400.80-1,840.97

Finding the Fourth Proportional to 2,935.85, 4,400.80 and 1,840.97

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Solution

The fourth proportional to 2,935.85, 4,400.80 and 1,840.97 is: 2,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.85 : 4,400.80 = 1,840.97 : x
  2. Step 2: Convert to fraction form
    2,935.85/4,400.80 = 1,840.97/x
  3. Step 3: Cross multiply
    2,935.85x = 4,400.80 × 1,840.97
  4. Step 4: Simplify right side
    2,935.85x = 8,101,747.18
  5. Step 5: Solve for x
    x = 8,101,747.18/2,935.85
  6. Step 6: Final answer
    x = 2,759.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.