Home / 3,472.19-4,791.60-1,878.81

Finding the Fourth Proportional to 3,472.19, 4,791.60 and 1,878.81

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Solution

The fourth proportional to 3,472.19, 4,791.60 and 1,878.81 is: 2,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.19 : 4,791.60 = 1,878.81 : x
  2. Step 2: Convert to fraction form
    3,472.19/4,791.60 = 1,878.81/x
  3. Step 3: Cross multiply
    3,472.19x = 4,791.60 × 1,878.81
  4. Step 4: Simplify right side
    3,472.19x = 9,002,485.52
  5. Step 5: Solve for x
    x = 9,002,485.52/3,472.19
  6. Step 6: Final answer
    x = 2,592.74

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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.