Home / 5,921.25-8,171.89-4,426.60

Finding the Fourth Proportional to 5,921.25, 8,171.89 and 4,426.60

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Solution

The fourth proportional to 5,921.25, 8,171.89 and 4,426.60 is: 6,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.25 : 8,171.89 = 4,426.60 : x
  2. Step 2: Convert to fraction form
    5,921.25/8,171.89 = 4,426.60/x
  3. Step 3: Cross multiply
    5,921.25x = 8,171.89 × 4,426.60
  4. Step 4: Simplify right side
    5,921.25x = 36,173,672.10
  5. Step 5: Solve for x
    x = 36,173,672.10/5,921.25
  6. Step 6: Final answer
    x = 6,109.13

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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.