Home / 5,440.25-7,507.35-3,081.94

Finding the Fourth Proportional to 5,440.25, 7,507.35 and 3,081.94

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Solution

The fourth proportional to 5,440.25, 7,507.35 and 3,081.94 is: 4,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.25 : 7,507.35 = 3,081.94 : x
  2. Step 2: Convert to fraction form
    5,440.25/7,507.35 = 3,081.94/x
  3. Step 3: Cross multiply
    5,440.25x = 7,507.35 × 3,081.94
  4. Step 4: Simplify right side
    5,440.25x = 23,137,202.26
  5. Step 5: Solve for x
    x = 23,137,202.26/5,440.25
  6. Step 6: Final answer
    x = 4,252.97

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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.