Home / 7,974.55-11,962.28-2,428.08

Finding the Fourth Proportional to 7,974.55, 11,962.28 and 2,428.08

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Solution

The fourth proportional to 7,974.55, 11,962.28 and 2,428.08 is: 3,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.55 : 11,962.28 = 2,428.08 : x
  2. Step 2: Convert to fraction form
    7,974.55/11,962.28 = 2,428.08/x
  3. Step 3: Cross multiply
    7,974.55x = 11,962.28 × 2,428.08
  4. Step 4: Simplify right side
    7,974.55x = 29,045,372.82
  5. Step 5: Solve for x
    x = 29,045,372.82/7,974.55
  6. Step 6: Final answer
    x = 3,642.26

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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.