Home / 3,350.70-5,021.25-1,886.76

Finding the Fourth Proportional to 3,350.70, 5,021.25 and 1,886.76

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Solution

The fourth proportional to 3,350.70, 5,021.25 and 1,886.76 is: 2,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.70 : 5,021.25 = 1,886.76 : x
  2. Step 2: Convert to fraction form
    3,350.70/5,021.25 = 1,886.76/x
  3. Step 3: Cross multiply
    3,350.70x = 5,021.25 × 1,886.76
  4. Step 4: Simplify right side
    3,350.70x = 9,473,893.65
  5. Step 5: Solve for x
    x = 9,473,893.65/3,350.70
  6. Step 6: Final answer
    x = 2,827.44

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1.5x scale

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.