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Finding the Fourth Proportional to 5,771.70, 7,958.39 and 4,708.31

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Solution

The fourth proportional to 5,771.70, 7,958.39 and 4,708.31 is: 6,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.70 : 7,958.39 = 4,708.31 : x
  2. Step 2: Convert to fraction form
    5,771.70/7,958.39 = 4,708.31/x
  3. Step 3: Cross multiply
    5,771.70x = 7,958.39 × 4,708.31
  4. Step 4: Simplify right side
    5,771.70x = 37,470,503.89
  5. Step 5: Solve for x
    x = 37,470,503.89/5,771.70
  6. Step 6: Final answer
    x = 6,492.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.