Home / 6,258.25-8,638.31-3,607.43

Finding the Fourth Proportional to 6,258.25, 8,638.31 and 3,607.43

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Solution

The fourth proportional to 6,258.25, 8,638.31 and 3,607.43 is: 4,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.25 : 8,638.31 = 3,607.43 : x
  2. Step 2: Convert to fraction form
    6,258.25/8,638.31 = 3,607.43/x
  3. Step 3: Cross multiply
    6,258.25x = 8,638.31 × 3,607.43
  4. Step 4: Simplify right side
    6,258.25x = 31,162,098.64
  5. Step 5: Solve for x
    x = 31,162,098.64/6,258.25
  6. Step 6: Final answer
    x = 4,979.36

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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.