Home / 3,583.12-4,942.84-2,254.32

Finding the Fourth Proportional to 3,583.12, 4,942.84 and 2,254.32

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Solution

The fourth proportional to 3,583.12, 4,942.84 and 2,254.32 is: 3,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.12 : 4,942.84 = 2,254.32 : x
  2. Step 2: Convert to fraction form
    3,583.12/4,942.84 = 2,254.32/x
  3. Step 3: Cross multiply
    3,583.12x = 4,942.84 × 2,254.32
  4. Step 4: Simplify right side
    3,583.12x = 11,142,743.07
  5. Step 5: Solve for x
    x = 11,142,743.07/3,583.12
  6. Step 6: Final answer
    x = 3,109.79

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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.