Home / 7,385.70-10,192.34-4,028.48

Finding the Fourth Proportional to 7,385.70, 10,192.34 and 4,028.48

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Solution

The fourth proportional to 7,385.70, 10,192.34 and 4,028.48 is: 5,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.70 : 10,192.34 = 4,028.48 : x
  2. Step 2: Convert to fraction form
    7,385.70/10,192.34 = 4,028.48/x
  3. Step 3: Cross multiply
    7,385.70x = 10,192.34 × 4,028.48
  4. Step 4: Simplify right side
    7,385.70x = 41,059,596.95
  5. Step 5: Solve for x
    x = 41,059,596.95/7,385.70
  6. Step 6: Final answer
    x = 5,559.34

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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.