Home / 3,529.74-5,296.16-1,680.87

Finding the Fourth Proportional to 3,529.74, 5,296.16 and 1,680.87

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Solution

The fourth proportional to 3,529.74, 5,296.16 and 1,680.87 is: 2,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.74 : 5,296.16 = 1,680.87 : x
  2. Step 2: Convert to fraction form
    3,529.74/5,296.16 = 1,680.87/x
  3. Step 3: Cross multiply
    3,529.74x = 5,296.16 × 1,680.87
  4. Step 4: Simplify right side
    3,529.74x = 8,902,148.05
  5. Step 5: Solve for x
    x = 8,902,148.05/3,529.74
  6. Step 6: Final answer
    x = 2,522.04

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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.