Home / 3,283.79-4,531.70-1,791.77

Finding the Fourth Proportional to 3,283.79, 4,531.70 and 1,791.77

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Solution

The fourth proportional to 3,283.79, 4,531.70 and 1,791.77 is: 2,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.79 : 4,531.70 = 1,791.77 : x
  2. Step 2: Convert to fraction form
    3,283.79/4,531.70 = 1,791.77/x
  3. Step 3: Cross multiply
    3,283.79x = 4,531.70 × 1,791.77
  4. Step 4: Simplify right side
    3,283.79x = 8,119,761.34
  5. Step 5: Solve for x
    x = 8,119,761.34/3,283.79
  6. Step 6: Final answer
    x = 2,472.68

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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.