Home / 5,694.71-7,856.33-3,455.73

Finding the Fourth Proportional to 5,694.71, 7,856.33 and 3,455.73

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Solution

The fourth proportional to 5,694.71, 7,856.33 and 3,455.73 is: 4,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.71 : 7,856.33 = 3,455.73 : x
  2. Step 2: Convert to fraction form
    5,694.71/7,856.33 = 3,455.73/x
  3. Step 3: Cross multiply
    5,694.71x = 7,856.33 × 3,455.73
  4. Step 4: Simplify right side
    5,694.71x = 27,149,337.99
  5. Step 5: Solve for x
    x = 27,149,337.99/5,694.71
  6. Step 6: Final answer
    x = 4,767.47

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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.