Home / 4,290.28-6,425.34-2,092.12

Finding the Fourth Proportional to 4,290.28, 6,425.34 and 2,092.12

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Solution

The fourth proportional to 4,290.28, 6,425.34 and 2,092.12 is: 3,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.28 : 6,425.34 = 2,092.12 : x
  2. Step 2: Convert to fraction form
    4,290.28/6,425.34 = 2,092.12/x
  3. Step 3: Cross multiply
    4,290.28x = 6,425.34 × 2,092.12
  4. Step 4: Simplify right side
    4,290.28x = 13,442,582.32
  5. Step 5: Solve for x
    x = 13,442,582.32/4,290.28
  6. Step 6: Final answer
    x = 3,133.26

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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.