Home / 3,177.71-4,385.03-1,761.27

Finding the Fourth Proportional to 3,177.71, 4,385.03 and 1,761.27

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Solution

The fourth proportional to 3,177.71, 4,385.03 and 1,761.27 is: 2,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.71 : 4,385.03 = 1,761.27 : x
  2. Step 2: Convert to fraction form
    3,177.71/4,385.03 = 1,761.27/x
  3. Step 3: Cross multiply
    3,177.71x = 4,385.03 × 1,761.27
  4. Step 4: Simplify right side
    3,177.71x = 7,723,196.54
  5. Step 5: Solve for x
    x = 7,723,196.54/3,177.71
  6. Step 6: Final answer
    x = 2,430.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.