Home / 4,875.95-7,310.61-1,912.54

Finding the Fourth Proportional to 4,875.95, 7,310.61 and 1,912.54

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Solution

The fourth proportional to 4,875.95, 7,310.61 and 1,912.54 is: 2,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.95 : 7,310.61 = 1,912.54 : x
  2. Step 2: Convert to fraction form
    4,875.95/7,310.61 = 1,912.54/x
  3. Step 3: Cross multiply
    4,875.95x = 7,310.61 × 1,912.54
  4. Step 4: Simplify right side
    4,875.95x = 13,981,822.94
  5. Step 5: Solve for x
    x = 13,981,822.94/4,875.95
  6. Step 6: Final answer
    x = 2,867.51

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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.