Home / 7,419.60-11,129.58-3,033.99

Finding the Fourth Proportional to 7,419.60, 11,129.58 and 3,033.99

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Solution

The fourth proportional to 7,419.60, 11,129.58 and 3,033.99 is: 4,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.60 : 11,129.58 = 3,033.99 : x
  2. Step 2: Convert to fraction form
    7,419.60/11,129.58 = 3,033.99/x
  3. Step 3: Cross multiply
    7,419.60x = 11,129.58 × 3,033.99
  4. Step 4: Simplify right side
    7,419.60x = 33,767,034.42
  5. Step 5: Solve for x
    x = 33,767,034.42/7,419.60
  6. Step 6: Final answer
    x = 4,551.06

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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.