Home / 5,391.63-7,440.05-3,033.31

Finding the Fourth Proportional to 5,391.63, 7,440.05 and 3,033.31

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Solution

The fourth proportional to 5,391.63, 7,440.05 and 3,033.31 is: 4,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.63 : 7,440.05 = 3,033.31 : x
  2. Step 2: Convert to fraction form
    5,391.63/7,440.05 = 3,033.31/x
  3. Step 3: Cross multiply
    5,391.63x = 7,440.05 × 3,033.31
  4. Step 4: Simplify right side
    5,391.63x = 22,567,981.50
  5. Step 5: Solve for x
    x = 22,567,981.50/5,391.63
  6. Step 6: Final answer
    x = 4,185.75

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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.