Home / 3,358.24-4,620.78-2,758.54

Finding the Fourth Proportional to 3,358.24, 4,620.78 and 2,758.54

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Solution

The fourth proportional to 3,358.24, 4,620.78 and 2,758.54 is: 3,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.24 : 4,620.78 = 2,758.54 : x
  2. Step 2: Convert to fraction form
    3,358.24/4,620.78 = 2,758.54/x
  3. Step 3: Cross multiply
    3,358.24x = 4,620.78 × 2,758.54
  4. Step 4: Simplify right side
    3,358.24x = 12,746,606.46
  5. Step 5: Solve for x
    x = 12,746,606.46/3,358.24
  6. Step 6: Final answer
    x = 3,795.62

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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.