Home / 2,722-4,070.54-2,029.16

Finding the Fourth Proportional to 2,722, 4,070.54 and 2,029.16

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Solution

The fourth proportional to 2,722, 4,070.54 and 2,029.16 is: 3,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722 : 4,070.54 = 2,029.16 : x
  2. Step 2: Convert to fraction form
    2,722/4,070.54 = 2,029.16/x
  3. Step 3: Cross multiply
    2,722x = 4,070.54 × 2,029.16
  4. Step 4: Simplify right side
    2,722x = 8,259,776.95
  5. Step 5: Solve for x
    x = 8,259,776.95/2,722
  6. Step 6: Final answer
    x = 3,034.45

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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.