Home / 6,145.63-8,481.09-3,351.13

Finding the Fourth Proportional to 6,145.63, 8,481.09 and 3,351.13

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Solution

The fourth proportional to 6,145.63, 8,481.09 and 3,351.13 is: 4,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.63 : 8,481.09 = 3,351.13 : x
  2. Step 2: Convert to fraction form
    6,145.63/8,481.09 = 3,351.13/x
  3. Step 3: Cross multiply
    6,145.63x = 8,481.09 × 3,351.13
  4. Step 4: Simplify right side
    6,145.63x = 28,421,235.13
  5. Step 5: Solve for x
    x = 28,421,235.13/6,145.63
  6. Step 6: Final answer
    x = 4,624.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.