Home / 2,177.70-3,250.60-1,871.52

Finding the Fourth Proportional to 2,177.70, 3,250.60 and 1,871.52

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Solution

The fourth proportional to 2,177.70, 3,250.60 and 1,871.52 is: 2,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.70 : 3,250.60 = 1,871.52 : x
  2. Step 2: Convert to fraction form
    2,177.70/3,250.60 = 1,871.52/x
  3. Step 3: Cross multiply
    2,177.70x = 3,250.60 × 1,871.52
  4. Step 4: Simplify right side
    2,177.70x = 6,083,562.91
  5. Step 5: Solve for x
    x = 6,083,562.91/2,177.70
  6. Step 6: Final answer
    x = 2,793.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.