Home / 4,789.17-7,178.61-1,826.19

Finding the Fourth Proportional to 4,789.17, 7,178.61 and 1,826.19

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Solution

The fourth proportional to 4,789.17, 7,178.61 and 1,826.19 is: 2,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.17 : 7,178.61 = 1,826.19 : x
  2. Step 2: Convert to fraction form
    4,789.17/7,178.61 = 1,826.19/x
  3. Step 3: Cross multiply
    4,789.17x = 7,178.61 × 1,826.19
  4. Step 4: Simplify right side
    4,789.17x = 13,109,505.80
  5. Step 5: Solve for x
    x = 13,109,505.80/4,789.17
  6. Step 6: Final answer
    x = 2,737.32

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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.