Home / 7,192.99-10,785.69-2,261.31

Finding the Fourth Proportional to 7,192.99, 10,785.69 and 2,261.31

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Solution

The fourth proportional to 7,192.99, 10,785.69 and 2,261.31 is: 3,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.99 : 10,785.69 = 2,261.31 : x
  2. Step 2: Convert to fraction form
    7,192.99/10,785.69 = 2,261.31/x
  3. Step 3: Cross multiply
    7,192.99x = 10,785.69 × 2,261.31
  4. Step 4: Simplify right side
    7,192.99x = 24,389,788.65
  5. Step 5: Solve for x
    x = 24,389,788.65/7,192.99
  6. Step 6: Final answer
    x = 3,390.77

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1.5x scale

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.