Home / 5,083.13-7,625.93-1,620.38

Finding the Fourth Proportional to 5,083.13, 7,625.93 and 1,620.38

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Solution

The fourth proportional to 5,083.13, 7,625.93 and 1,620.38 is: 2,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.13 : 7,625.93 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    5,083.13/7,625.93 = 1,620.38/x
  3. Step 3: Cross multiply
    5,083.13x = 7,625.93 × 1,620.38
  4. Step 4: Simplify right side
    5,083.13x = 12,356,858.22
  5. Step 5: Solve for x
    x = 12,356,858.22/5,083.13
  6. Step 6: Final answer
    x = 2,430.96

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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.