Home / 5,787.69-8,669.96-2,663.42

Finding the Fourth Proportional to 5,787.69, 8,669.96 and 2,663.42

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Solution

The fourth proportional to 5,787.69, 8,669.96 and 2,663.42 is: 3,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.69 : 8,669.96 = 2,663.42 : x
  2. Step 2: Convert to fraction form
    5,787.69/8,669.96 = 2,663.42/x
  3. Step 3: Cross multiply
    5,787.69x = 8,669.96 × 2,663.42
  4. Step 4: Simplify right side
    5,787.69x = 23,091,688.20
  5. Step 5: Solve for x
    x = 23,091,688.20/5,787.69
  6. Step 6: Final answer
    x = 3,989.79

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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.