Home / 6,079.97-8,390.64-3,427.49

Finding the Fourth Proportional to 6,079.97, 8,390.64 and 3,427.49

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Solution

The fourth proportional to 6,079.97, 8,390.64 and 3,427.49 is: 4,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.97 : 8,390.64 = 3,427.49 : x
  2. Step 2: Convert to fraction form
    6,079.97/8,390.64 = 3,427.49/x
  3. Step 3: Cross multiply
    6,079.97x = 8,390.64 × 3,427.49
  4. Step 4: Simplify right side
    6,079.97x = 28,758,792.74
  5. Step 5: Solve for x
    x = 28,758,792.74/6,079.97
  6. Step 6: Final answer
    x = 4,730.09

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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.