Home / 3,458.92-5,190.20-2,075.04

Finding the Fourth Proportional to 3,458.92, 5,190.20 and 2,075.04

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Solution

The fourth proportional to 3,458.92, 5,190.20 and 2,075.04 is: 3,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.92 : 5,190.20 = 2,075.04 : x
  2. Step 2: Convert to fraction form
    3,458.92/5,190.20 = 2,075.04/x
  3. Step 3: Cross multiply
    3,458.92x = 5,190.20 × 2,075.04
  4. Step 4: Simplify right side
    3,458.92x = 10,769,872.61
  5. Step 5: Solve for x
    x = 10,769,872.61/3,458.92
  6. Step 6: Final answer
    x = 3,113.65

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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.