Home / 5,709.68-8,558.56-2,783.96

Finding the Fourth Proportional to 5,709.68, 8,558.56 and 2,783.96

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Solution

The fourth proportional to 5,709.68, 8,558.56 and 2,783.96 is: 4,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.68 : 8,558.56 = 2,783.96 : x
  2. Step 2: Convert to fraction form
    5,709.68/8,558.56 = 2,783.96/x
  3. Step 3: Cross multiply
    5,709.68x = 8,558.56 × 2,783.96
  4. Step 4: Simplify right side
    5,709.68x = 23,826,688.70
  5. Step 5: Solve for x
    x = 23,826,688.70/5,709.68
  6. Step 6: Final answer
    x = 4,173.03

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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.