Home / 7,130.24-10,694.75-2,199.92

Finding the Fourth Proportional to 7,130.24, 10,694.75 and 2,199.92

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Solution

The fourth proportional to 7,130.24, 10,694.75 and 2,199.92 is: 3,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.24 : 10,694.75 = 2,199.92 : x
  2. Step 2: Convert to fraction form
    7,130.24/10,694.75 = 2,199.92/x
  3. Step 3: Cross multiply
    7,130.24x = 10,694.75 × 2,199.92
  4. Step 4: Simplify right side
    7,130.24x = 23,527,529.95
  5. Step 5: Solve for x
    x = 23,527,529.95/7,130.24
  6. Step 6: Final answer
    x = 3,299.69

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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.