Home / 2,926.56-4,387.68-1,772.04

Finding the Fourth Proportional to 2,926.56, 4,387.68 and 1,772.04

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Solution

The fourth proportional to 2,926.56, 4,387.68 and 1,772.04 is: 2,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.56 : 4,387.68 = 1,772.04 : x
  2. Step 2: Convert to fraction form
    2,926.56/4,387.68 = 1,772.04/x
  3. Step 3: Cross multiply
    2,926.56x = 4,387.68 × 1,772.04
  4. Step 4: Simplify right side
    2,926.56x = 7,775,144.47
  5. Step 5: Solve for x
    x = 7,775,144.47/2,926.56
  6. Step 6: Final answer
    x = 2,656.75

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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.