Home / 5,204.79-7,182.63-2,847.06

Finding the Fourth Proportional to 5,204.79, 7,182.63 and 2,847.06

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Solution

The fourth proportional to 5,204.79, 7,182.63 and 2,847.06 is: 3,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.79 : 7,182.63 = 2,847.06 : x
  2. Step 2: Convert to fraction form
    5,204.79/7,182.63 = 2,847.06/x
  3. Step 3: Cross multiply
    5,204.79x = 7,182.63 × 2,847.06
  4. Step 4: Simplify right side
    5,204.79x = 20,449,378.57
  5. Step 5: Solve for x
    x = 20,449,378.57/5,204.79
  6. Step 6: Final answer
    x = 3,928.95

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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.