Home / 5,921.58-8,171.72-3,269.01

Finding the Fourth Proportional to 5,921.58, 8,171.72 and 3,269.01

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Solution

The fourth proportional to 5,921.58, 8,171.72 and 3,269.01 is: 4,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.58 : 8,171.72 = 3,269.01 : x
  2. Step 2: Convert to fraction form
    5,921.58/8,171.72 = 3,269.01/x
  3. Step 3: Cross multiply
    5,921.58x = 8,171.72 × 3,269.01
  4. Step 4: Simplify right side
    5,921.58x = 26,713,434.40
  5. Step 5: Solve for x
    x = 26,713,434.40/5,921.58
  6. Step 6: Final answer
    x = 4,511.20

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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.