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Finding the Fourth Proportional to 3,948.54, 5,924.84 and 1,758.84

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Solution

The fourth proportional to 3,948.54, 5,924.84 and 1,758.84 is: 2,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.54 : 5,924.84 = 1,758.84 : x
  2. Step 2: Convert to fraction form
    3,948.54/5,924.84 = 1,758.84/x
  3. Step 3: Cross multiply
    3,948.54x = 5,924.84 × 1,758.84
  4. Step 4: Simplify right side
    3,948.54x = 10,420,836.79
  5. Step 5: Solve for x
    x = 10,420,836.79/3,948.54
  6. Step 6: Final answer
    x = 2,639.16

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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.