Home / 5,457.24-8,171.96-3,602.75

Finding the Fourth Proportional to 5,457.24, 8,171.96 and 3,602.75

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Solution

The fourth proportional to 5,457.24, 8,171.96 and 3,602.75 is: 5,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.24 : 8,171.96 = 3,602.75 : x
  2. Step 2: Convert to fraction form
    5,457.24/8,171.96 = 3,602.75/x
  3. Step 3: Cross multiply
    5,457.24x = 8,171.96 × 3,602.75
  4. Step 4: Simplify right side
    5,457.24x = 29,441,470.02
  5. Step 5: Solve for x
    x = 29,441,470.02/5,457.24
  6. Step 6: Final answer
    x = 5,394.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.