Home / 3,471.73-4,789.38-2,126.93

Finding the Fourth Proportional to 3,471.73, 4,789.38 and 2,126.93

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Solution

The fourth proportional to 3,471.73, 4,789.38 and 2,126.93 is: 2,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.73 : 4,789.38 = 2,126.93 : x
  2. Step 2: Convert to fraction form
    3,471.73/4,789.38 = 2,126.93/x
  3. Step 3: Cross multiply
    3,471.73x = 4,789.38 × 2,126.93
  4. Step 4: Simplify right side
    3,471.73x = 10,186,676.00
  5. Step 5: Solve for x
    x = 10,186,676.00/3,471.73
  6. Step 6: Final answer
    x = 2,934.18

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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.