Home / 5,027.76-6,928.20-4,149.84

Finding the Fourth Proportional to 5,027.76, 6,928.20 and 4,149.84

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Solution

The fourth proportional to 5,027.76, 6,928.20 and 4,149.84 is: 5,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.76 : 6,928.20 = 4,149.84 : x
  2. Step 2: Convert to fraction form
    5,027.76/6,928.20 = 4,149.84/x
  3. Step 3: Cross multiply
    5,027.76x = 6,928.20 × 4,149.84
  4. Step 4: Simplify right side
    5,027.76x = 28,750,921.49
  5. Step 5: Solve for x
    x = 28,750,921.49/5,027.76
  6. Step 6: Final answer
    x = 5,718.44

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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.