Home / 5,628.46-7,768.92-3,271.54

Finding the Fourth Proportional to 5,628.46, 7,768.92 and 3,271.54

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Solution

The fourth proportional to 5,628.46, 7,768.92 and 3,271.54 is: 4,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.46 : 7,768.92 = 3,271.54 : x
  2. Step 2: Convert to fraction form
    5,628.46/7,768.92 = 3,271.54/x
  3. Step 3: Cross multiply
    5,628.46x = 7,768.92 × 3,271.54
  4. Step 4: Simplify right side
    5,628.46x = 25,416,332.54
  5. Step 5: Solve for x
    x = 25,416,332.54/5,628.46
  6. Step 6: Final answer
    x = 4,515.68

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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.