Home / 4,928.55-7,384.48-2,976.66

Finding the Fourth Proportional to 4,928.55, 7,384.48 and 2,976.66

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Solution

The fourth proportional to 4,928.55, 7,384.48 and 2,976.66 is: 4,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.55 : 7,384.48 = 2,976.66 : x
  2. Step 2: Convert to fraction form
    4,928.55/7,384.48 = 2,976.66/x
  3. Step 3: Cross multiply
    4,928.55x = 7,384.48 × 2,976.66
  4. Step 4: Simplify right side
    4,928.55x = 21,981,086.24
  5. Step 5: Solve for x
    x = 21,981,086.24/4,928.55
  6. Step 6: Final answer
    x = 4,459.95

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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.