Home / 7,731.54-11,593.71-2,800.98

Finding the Fourth Proportional to 7,731.54, 11,593.71 and 2,800.98

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Solution

The fourth proportional to 7,731.54, 11,593.71 and 2,800.98 is: 4,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.54 : 11,593.71 = 2,800.98 : x
  2. Step 2: Convert to fraction form
    7,731.54/11,593.71 = 2,800.98/x
  3. Step 3: Cross multiply
    7,731.54x = 11,593.71 × 2,800.98
  4. Step 4: Simplify right side
    7,731.54x = 32,473,749.84
  5. Step 5: Solve for x
    x = 32,473,749.84/7,731.54
  6. Step 6: Final answer
    x = 4,200.17

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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.