Home / 5,579.36-7,699.50-3,061.46

Finding the Fourth Proportional to 5,579.36, 7,699.50 and 3,061.46

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Solution

The fourth proportional to 5,579.36, 7,699.50 and 3,061.46 is: 4,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.36 : 7,699.50 = 3,061.46 : x
  2. Step 2: Convert to fraction form
    5,579.36/7,699.50 = 3,061.46/x
  3. Step 3: Cross multiply
    5,579.36x = 7,699.50 × 3,061.46
  4. Step 4: Simplify right side
    5,579.36x = 23,571,711.27
  5. Step 5: Solve for x
    x = 23,571,711.27/5,579.36
  6. Step 6: Final answer
    x = 4,224.81

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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.