Home / 3,185.18-4,394.55-1,840.62

Finding the Fourth Proportional to 3,185.18, 4,394.55 and 1,840.62

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Solution

The fourth proportional to 3,185.18, 4,394.55 and 1,840.62 is: 2,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.18 : 4,394.55 = 1,840.62 : x
  2. Step 2: Convert to fraction form
    3,185.18/4,394.55 = 1,840.62/x
  3. Step 3: Cross multiply
    3,185.18x = 4,394.55 × 1,840.62
  4. Step 4: Simplify right side
    3,185.18x = 8,088,696.62
  5. Step 5: Solve for x
    x = 8,088,696.62/3,185.18
  6. Step 6: Final answer
    x = 2,539.48

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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.