Home / 5,400.86-7,453.09-3,042.95

Finding the Fourth Proportional to 5,400.86, 7,453.09 and 3,042.95

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Solution

The fourth proportional to 5,400.86, 7,453.09 and 3,042.95 is: 4,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.86 : 7,453.09 = 3,042.95 : x
  2. Step 2: Convert to fraction form
    5,400.86/7,453.09 = 3,042.95/x
  3. Step 3: Cross multiply
    5,400.86x = 7,453.09 × 3,042.95
  4. Step 4: Simplify right side
    5,400.86x = 22,679,380.22
  5. Step 5: Solve for x
    x = 22,679,380.22/5,400.86
  6. Step 6: Final answer
    x = 4,199.22

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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.