Home / 7,382.85-10,188.35-4,025.73

Finding the Fourth Proportional to 7,382.85, 10,188.35 and 4,025.73

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Solution

The fourth proportional to 7,382.85, 10,188.35 and 4,025.73 is: 5,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.85 : 10,188.35 = 4,025.73 : x
  2. Step 2: Convert to fraction form
    7,382.85/10,188.35 = 4,025.73/x
  3. Step 3: Cross multiply
    7,382.85x = 10,188.35 × 4,025.73
  4. Step 4: Simplify right side
    7,382.85x = 41,015,526.12
  5. Step 5: Solve for x
    x = 41,015,526.12/7,382.85
  6. Step 6: Final answer
    x = 5,555.51

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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.