Home / 7,983.01-11,973.76-3,765.29

Finding the Fourth Proportional to 7,983.01, 11,973.76 and 3,765.29

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Solution

The fourth proportional to 7,983.01, 11,973.76 and 3,765.29 is: 5,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.01 : 11,973.76 = 3,765.29 : x
  2. Step 2: Convert to fraction form
    7,983.01/11,973.76 = 3,765.29/x
  3. Step 3: Cross multiply
    7,983.01x = 11,973.76 × 3,765.29
  4. Step 4: Simplify right side
    7,983.01x = 45,084,618.92
  5. Step 5: Solve for x
    x = 45,084,618.92/7,983.01
  6. Step 6: Final answer
    x = 5,647.57

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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.