Home / 7,185.92-10,774.83-2,798.36

Finding the Fourth Proportional to 7,185.92, 10,774.83 and 2,798.36

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Solution

The fourth proportional to 7,185.92, 10,774.83 and 2,798.36 is: 4,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.92 : 10,774.83 = 2,798.36 : x
  2. Step 2: Convert to fraction form
    7,185.92/10,774.83 = 2,798.36/x
  3. Step 3: Cross multiply
    7,185.92x = 10,774.83 × 2,798.36
  4. Step 4: Simplify right side
    7,185.92x = 30,151,853.28
  5. Step 5: Solve for x
    x = 30,151,853.28/7,185.92
  6. Step 6: Final answer
    x = 4,195.96

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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.