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Finding the Fourth Proportional to 2,797.80, 4,192.38 and 1,495.32

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Solution

The fourth proportional to 2,797.80, 4,192.38 and 1,495.32 is: 2,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.80 : 4,192.38 = 1,495.32 : x
  2. Step 2: Convert to fraction form
    2,797.80/4,192.38 = 1,495.32/x
  3. Step 3: Cross multiply
    2,797.80x = 4,192.38 × 1,495.32
  4. Step 4: Simplify right side
    2,797.80x = 6,268,949.66
  5. Step 5: Solve for x
    x = 6,268,949.66/2,797.80
  6. Step 6: Final answer
    x = 2,240.67

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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.