Home / 4,928.58-7,395.12-3,640.68

Finding the Fourth Proportional to 4,928.58, 7,395.12 and 3,640.68

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Solution

The fourth proportional to 4,928.58, 7,395.12 and 3,640.68 is: 5,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.58 : 7,395.12 = 3,640.68 : x
  2. Step 2: Convert to fraction form
    4,928.58/7,395.12 = 3,640.68/x
  3. Step 3: Cross multiply
    4,928.58x = 7,395.12 × 3,640.68
  4. Step 4: Simplify right side
    4,928.58x = 26,923,265.48
  5. Step 5: Solve for x
    x = 26,923,265.48/4,928.58
  6. Step 6: Final answer
    x = 5,462.68

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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.