Home / 7,581.30-11,371.59-2,652.03

Finding the Fourth Proportional to 7,581.30, 11,371.59 and 2,652.03

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Solution

The fourth proportional to 7,581.30, 11,371.59 and 2,652.03 is: 3,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.30 : 11,371.59 = 2,652.03 : x
  2. Step 2: Convert to fraction form
    7,581.30/11,371.59 = 2,652.03/x
  3. Step 3: Cross multiply
    7,581.30x = 11,371.59 × 2,652.03
  4. Step 4: Simplify right side
    7,581.30x = 30,157,797.83
  5. Step 5: Solve for x
    x = 30,157,797.83/7,581.30
  6. Step 6: Final answer
    x = 3,977.92

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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.