Home / 5,579.12-7,699.25-3,061.22

Finding the Fourth Proportional to 5,579.12, 7,699.25 and 3,061.22

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Solution

The fourth proportional to 5,579.12, 7,699.25 and 3,061.22 is: 4,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.12 : 7,699.25 = 3,061.22 : x
  2. Step 2: Convert to fraction form
    5,579.12/7,699.25 = 3,061.22/x
  3. Step 3: Cross multiply
    5,579.12x = 7,699.25 × 3,061.22
  4. Step 4: Simplify right side
    5,579.12x = 23,569,044.28
  5. Step 5: Solve for x
    x = 23,569,044.28/5,579.12
  6. Step 6: Final answer
    x = 4,224.51

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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.