Home / 7,385.25-10,191.61-4,028.06

Finding the Fourth Proportional to 7,385.25, 10,191.61 and 4,028.06

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Solution

The fourth proportional to 7,385.25, 10,191.61 and 4,028.06 is: 5,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.25 : 10,191.61 = 4,028.06 : x
  2. Step 2: Convert to fraction form
    7,385.25/10,191.61 = 4,028.06/x
  3. Step 3: Cross multiply
    7,385.25x = 10,191.61 × 4,028.06
  4. Step 4: Simplify right side
    7,385.25x = 41,052,416.58
  5. Step 5: Solve for x
    x = 41,052,416.58/7,385.25
  6. Step 6: Final answer
    x = 5,558.70

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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.