Home / 5,351.86-8,028.80-2,430.37

Finding the Fourth Proportional to 5,351.86, 8,028.80 and 2,430.37

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Solution

The fourth proportional to 5,351.86, 8,028.80 and 2,430.37 is: 3,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.86 : 8,028.80 = 2,430.37 : x
  2. Step 2: Convert to fraction form
    5,351.86/8,028.80 = 2,430.37/x
  3. Step 3: Cross multiply
    5,351.86x = 8,028.80 × 2,430.37
  4. Step 4: Simplify right side
    5,351.86x = 19,512,954.66
  5. Step 5: Solve for x
    x = 19,512,954.66/5,351.86
  6. Step 6: Final answer
    x = 3,646.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.