Home / 5,577.36-8,362.32-2,289.60

Finding the Fourth Proportional to 5,577.36, 8,362.32 and 2,289.60

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Solution

The fourth proportional to 5,577.36, 8,362.32 and 2,289.60 is: 3,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.36 : 8,362.32 = 2,289.60 : x
  2. Step 2: Convert to fraction form
    5,577.36/8,362.32 = 2,289.60/x
  3. Step 3: Cross multiply
    5,577.36x = 8,362.32 × 2,289.60
  4. Step 4: Simplify right side
    5,577.36x = 19,146,367.87
  5. Step 5: Solve for x
    x = 19,146,367.87/5,577.36
  6. Step 6: Final answer
    x = 3,432.87

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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.