Home / 7,333.20-10,991.88-2,715.84

Finding the Fourth Proportional to 7,333.20, 10,991.88 and 2,715.84

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Solution

The fourth proportional to 7,333.20, 10,991.88 and 2,715.84 is: 4,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.20 : 10,991.88 = 2,715.84 : x
  2. Step 2: Convert to fraction form
    7,333.20/10,991.88 = 2,715.84/x
  3. Step 3: Cross multiply
    7,333.20x = 10,991.88 × 2,715.84
  4. Step 4: Simplify right side
    7,333.20x = 29,852,187.38
  5. Step 5: Solve for x
    x = 29,852,187.38/7,333.20
  6. Step 6: Final answer
    x = 4,070.83

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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.