Home / 4,519.76-6,776.78-2,180.36

Finding the Fourth Proportional to 4,519.76, 6,776.78 and 2,180.36

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Solution

The fourth proportional to 4,519.76, 6,776.78 and 2,180.36 is: 3,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.76 : 6,776.78 = 2,180.36 : x
  2. Step 2: Convert to fraction form
    4,519.76/6,776.78 = 2,180.36/x
  3. Step 3: Cross multiply
    4,519.76x = 6,776.78 × 2,180.36
  4. Step 4: Simplify right side
    4,519.76x = 14,775,826.08
  5. Step 5: Solve for x
    x = 14,775,826.08/4,519.76
  6. Step 6: Final answer
    x = 3,269.17

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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.