Home / 4,685.78-6,461.09-3,194.58

Finding the Fourth Proportional to 4,685.78, 6,461.09 and 3,194.58

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Solution

The fourth proportional to 4,685.78, 6,461.09 and 3,194.58 is: 4,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.78 : 6,461.09 = 3,194.58 : x
  2. Step 2: Convert to fraction form
    4,685.78/6,461.09 = 3,194.58/x
  3. Step 3: Cross multiply
    4,685.78x = 6,461.09 × 3,194.58
  4. Step 4: Simplify right side
    4,685.78x = 20,640,468.89
  5. Step 5: Solve for x
    x = 20,640,468.89/4,685.78
  6. Step 6: Final answer
    x = 4,404.92

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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.