Home / 4,101.80-6,152.70-3,281.68

Finding the Fourth Proportional to 4,101.80, 6,152.70 and 3,281.68

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Solution

The fourth proportional to 4,101.80, 6,152.70 and 3,281.68 is: 4,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.80 : 6,152.70 = 3,281.68 : x
  2. Step 2: Convert to fraction form
    4,101.80/6,152.70 = 3,281.68/x
  3. Step 3: Cross multiply
    4,101.80x = 6,152.70 × 3,281.68
  4. Step 4: Simplify right side
    4,101.80x = 20,191,161.77
  5. Step 5: Solve for x
    x = 20,191,161.77/4,101.80
  6. Step 6: Final answer
    x = 4,922.51

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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.