Home / 7,720.43-11,581.45-4,796.33

Finding the Fourth Proportional to 7,720.43, 11,581.45 and 4,796.33

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Solution

The fourth proportional to 7,720.43, 11,581.45 and 4,796.33 is: 7,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.43 : 11,581.45 = 4,796.33 : x
  2. Step 2: Convert to fraction form
    7,720.43/11,581.45 = 4,796.33/x
  3. Step 3: Cross multiply
    7,720.43x = 11,581.45 × 4,796.33
  4. Step 4: Simplify right side
    7,720.43x = 55,548,386.18
  5. Step 5: Solve for x
    x = 55,548,386.18/7,720.43
  6. Step 6: Final answer
    x = 7,194.99

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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.