Home / 6,079.82-8,389.91-3,427.79

Finding the Fourth Proportional to 6,079.82, 8,389.91 and 3,427.79

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Solution

The fourth proportional to 6,079.82, 8,389.91 and 3,427.79 is: 4,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.82 : 8,389.91 = 3,427.79 : x
  2. Step 2: Convert to fraction form
    6,079.82/8,389.91 = 3,427.79/x
  3. Step 3: Cross multiply
    6,079.82x = 8,389.91 × 3,427.79
  4. Step 4: Simplify right side
    6,079.82x = 28,758,790.51
  5. Step 5: Solve for x
    x = 28,758,790.51/6,079.82
  6. Step 6: Final answer
    x = 4,730.21

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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.