Home / 5,227.92-7,214.45-2,870.06

Finding the Fourth Proportional to 5,227.92, 7,214.45 and 2,870.06

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Solution

The fourth proportional to 5,227.92, 7,214.45 and 2,870.06 is: 3,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.92 : 7,214.45 = 2,870.06 : x
  2. Step 2: Convert to fraction form
    5,227.92/7,214.45 = 2,870.06/x
  3. Step 3: Cross multiply
    5,227.92x = 7,214.45 × 2,870.06
  4. Step 4: Simplify right side
    5,227.92x = 20,705,853.94
  5. Step 5: Solve for x
    x = 20,705,853.94/5,227.92
  6. Step 6: Final answer
    x = 3,960.63

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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.