Home / 2,798.27-4,192.28-1,561.93

Finding the Fourth Proportional to 2,798.27, 4,192.28 and 1,561.93

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Solution

The fourth proportional to 2,798.27, 4,192.28 and 1,561.93 is: 2,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.27 : 4,192.28 = 1,561.93 : x
  2. Step 2: Convert to fraction form
    2,798.27/4,192.28 = 1,561.93/x
  3. Step 3: Cross multiply
    2,798.27x = 4,192.28 × 1,561.93
  4. Step 4: Simplify right side
    2,798.27x = 6,548,063.44
  5. Step 5: Solve for x
    x = 6,548,063.44/2,798.27
  6. Step 6: Final answer
    x = 2,340.04

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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.