Home / 5,787.55-8,669.73-2,663.28

Finding the Fourth Proportional to 5,787.55, 8,669.73 and 2,663.28

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Solution

The fourth proportional to 5,787.55, 8,669.73 and 2,663.28 is: 3,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.55 : 8,669.73 = 2,663.28 : x
  2. Step 2: Convert to fraction form
    5,787.55/8,669.73 = 2,663.28/x
  3. Step 3: Cross multiply
    5,787.55x = 8,669.73 × 2,663.28
  4. Step 4: Simplify right side
    5,787.55x = 23,089,928.50
  5. Step 5: Solve for x
    x = 23,089,928.50/5,787.55
  6. Step 6: Final answer
    x = 3,989.59

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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.