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Finding the Fourth Proportional to 5,359.75, 7,392.76 and 3,769.77

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Solution

The fourth proportional to 5,359.75, 7,392.76 and 3,769.77 is: 5,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.75 : 7,392.76 = 3,769.77 : x
  2. Step 2: Convert to fraction form
    5,359.75/7,392.76 = 3,769.77/x
  3. Step 3: Cross multiply
    5,359.75x = 7,392.76 × 3,769.77
  4. Step 4: Simplify right side
    5,359.75x = 27,868,958.48
  5. Step 5: Solve for x
    x = 27,868,958.48/5,359.75
  6. Step 6: Final answer
    x = 5,199.68

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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.