Home / 7,435.73-11,149.52-3,428.76

Finding the Fourth Proportional to 7,435.73, 11,149.52 and 3,428.76

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Solution

The fourth proportional to 7,435.73, 11,149.52 and 3,428.76 is: 5,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.73 : 11,149.52 = 3,428.76 : x
  2. Step 2: Convert to fraction form
    7,435.73/11,149.52 = 3,428.76/x
  3. Step 3: Cross multiply
    7,435.73x = 11,149.52 × 3,428.76
  4. Step 4: Simplify right side
    7,435.73x = 38,229,011.05
  5. Step 5: Solve for x
    x = 38,229,011.05/7,435.73
  6. Step 6: Final answer
    x = 5,141.26

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1.5x scale

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.