Home / 7,385.86-10,192.44-4,028.61

Finding the Fourth Proportional to 7,385.86, 10,192.44 and 4,028.61

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Solution

The fourth proportional to 7,385.86, 10,192.44 and 4,028.61 is: 5,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.86 : 10,192.44 = 4,028.61 : x
  2. Step 2: Convert to fraction form
    7,385.86/10,192.44 = 4,028.61/x
  3. Step 3: Cross multiply
    7,385.86x = 10,192.44 × 4,028.61
  4. Step 4: Simplify right side
    7,385.86x = 41,061,365.71
  5. Step 5: Solve for x
    x = 41,061,365.71/7,385.86
  6. Step 6: Final answer
    x = 5,559.46

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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.