Home / 7,926.99-11,890.58-2,380.01

Finding the Fourth Proportional to 7,926.99, 11,890.58 and 2,380.01

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Solution

The fourth proportional to 7,926.99, 11,890.58 and 2,380.01 is: 3,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.99 : 11,890.58 = 2,380.01 : x
  2. Step 2: Convert to fraction form
    7,926.99/11,890.58 = 2,380.01/x
  3. Step 3: Cross multiply
    7,926.99x = 11,890.58 × 2,380.01
  4. Step 4: Simplify right side
    7,926.99x = 28,299,705.26
  5. Step 5: Solve for x
    x = 28,299,705.26/7,926.99
  6. Step 6: Final answer
    x = 3,570.04

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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.