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Finding the Fourth Proportional to 3,955.72, 5,933.60 and 1,358.68

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Solution

The fourth proportional to 3,955.72, 5,933.60 and 1,358.68 is: 2,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.72 : 5,933.60 = 1,358.68 : x
  2. Step 2: Convert to fraction form
    3,955.72/5,933.60 = 1,358.68/x
  3. Step 3: Cross multiply
    3,955.72x = 5,933.60 × 1,358.68
  4. Step 4: Simplify right side
    3,955.72x = 8,061,863.65
  5. Step 5: Solve for x
    x = 8,061,863.65/3,955.72
  6. Step 6: Final answer
    x = 2,038.03

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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.