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Finding the Fourth Proportional to 6,101.34, 8,417.44 and 3,979.34

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Solution

The fourth proportional to 6,101.34, 8,417.44 and 3,979.34 is: 5,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.34 : 8,417.44 = 3,979.34 : x
  2. Step 2: Convert to fraction form
    6,101.34/8,417.44 = 3,979.34/x
  3. Step 3: Cross multiply
    6,101.34x = 8,417.44 × 3,979.34
  4. Step 4: Simplify right side
    6,101.34x = 33,495,855.69
  5. Step 5: Solve for x
    x = 33,495,855.69/6,101.34
  6. Step 6: Final answer
    x = 5,489.92

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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.