Home / 5,771.70-8,667.34-5,475.78

Finding the Fourth Proportional to 5,771.70, 8,667.34 and 5,475.78

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Solution

The fourth proportional to 5,771.70, 8,667.34 and 5,475.78 is: 8,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.70 : 8,667.34 = 5,475.78 : x
  2. Step 2: Convert to fraction form
    5,771.70/8,667.34 = 5,475.78/x
  3. Step 3: Cross multiply
    5,771.70x = 8,667.34 × 5,475.78
  4. Step 4: Simplify right side
    5,771.70x = 47,460,433.34
  5. Step 5: Solve for x
    x = 47,460,433.34/5,771.70
  6. Step 6: Final answer
    x = 8,222.96

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1.5x scale

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.