Home / 5,276.91-7,283.57-3,286.29

Finding the Fourth Proportional to 5,276.91, 7,283.57 and 3,286.29

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Solution

The fourth proportional to 5,276.91, 7,283.57 and 3,286.29 is: 4,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.91 : 7,283.57 = 3,286.29 : x
  2. Step 2: Convert to fraction form
    5,276.91/7,283.57 = 3,286.29/x
  3. Step 3: Cross multiply
    5,276.91x = 7,283.57 × 3,286.29
  4. Step 4: Simplify right side
    5,276.91x = 23,935,870.41
  5. Step 5: Solve for x
    x = 23,935,870.41/5,276.91
  6. Step 6: Final answer
    x = 4,535.97

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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.