Home / 7,373.18-11,055.23-3,620.18

Finding the Fourth Proportional to 7,373.18, 11,055.23 and 3,620.18

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Solution

The fourth proportional to 7,373.18, 11,055.23 and 3,620.18 is: 5,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.18 : 11,055.23 = 3,620.18 : x
  2. Step 2: Convert to fraction form
    7,373.18/11,055.23 = 3,620.18/x
  3. Step 3: Cross multiply
    7,373.18x = 11,055.23 × 3,620.18
  4. Step 4: Simplify right side
    7,373.18x = 40,021,932.08
  5. Step 5: Solve for x
    x = 40,021,932.08/7,373.18
  6. Step 6: Final answer
    x = 5,428.05

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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.