Home / 5,351.15-7,385.33-2,993.45

Finding the Fourth Proportional to 5,351.15, 7,385.33 and 2,993.45

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Solution

The fourth proportional to 5,351.15, 7,385.33 and 2,993.45 is: 4,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.15 : 7,385.33 = 2,993.45 : x
  2. Step 2: Convert to fraction form
    5,351.15/7,385.33 = 2,993.45/x
  3. Step 3: Cross multiply
    5,351.15x = 7,385.33 × 2,993.45
  4. Step 4: Simplify right side
    5,351.15x = 22,107,564.19
  5. Step 5: Solve for x
    x = 22,107,564.19/5,351.15
  6. Step 6: Final answer
    x = 4,131.37

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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.