Home / 5,016.76-6,923.37-2,778.88

Finding the Fourth Proportional to 5,016.76, 6,923.37 and 2,778.88

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Solution

The fourth proportional to 5,016.76, 6,923.37 and 2,778.88 is: 3,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.76 : 6,923.37 = 2,778.88 : x
  2. Step 2: Convert to fraction form
    5,016.76/6,923.37 = 2,778.88/x
  3. Step 3: Cross multiply
    5,016.76x = 6,923.37 × 2,778.88
  4. Step 4: Simplify right side
    5,016.76x = 19,239,214.43
  5. Step 5: Solve for x
    x = 19,239,214.43/5,016.76
  6. Step 6: Final answer
    x = 3,834.99

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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.