Home / 7,752.72-11,629.02-2,558.58

Finding the Fourth Proportional to 7,752.72, 11,629.02 and 2,558.58

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Solution

The fourth proportional to 7,752.72, 11,629.02 and 2,558.58 is: 3,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.72 : 11,629.02 = 2,558.58 : x
  2. Step 2: Convert to fraction form
    7,752.72/11,629.02 = 2,558.58/x
  3. Step 3: Cross multiply
    7,752.72x = 11,629.02 × 2,558.58
  4. Step 4: Simplify right side
    7,752.72x = 29,753,777.99
  5. Step 5: Solve for x
    x = 29,753,777.99/7,752.72
  6. Step 6: Final answer
    x = 3,837.85

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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.