Home / 5,223.36-7,208.43-3,099.99

Finding the Fourth Proportional to 5,223.36, 7,208.43 and 3,099.99

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Solution

The fourth proportional to 5,223.36, 7,208.43 and 3,099.99 is: 4,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.36 : 7,208.43 = 3,099.99 : x
  2. Step 2: Convert to fraction form
    5,223.36/7,208.43 = 3,099.99/x
  3. Step 3: Cross multiply
    5,223.36x = 7,208.43 × 3,099.99
  4. Step 4: Simplify right side
    5,223.36x = 22,346,060.92
  5. Step 5: Solve for x
    x = 22,346,060.92/5,223.36
  6. Step 6: Final answer
    x = 4,278.10

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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.