Home / 5,251.21-7,246.41-2,892.91

Finding the Fourth Proportional to 5,251.21, 7,246.41 and 2,892.91

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Solution

The fourth proportional to 5,251.21, 7,246.41 and 2,892.91 is: 3,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.21 : 7,246.41 = 2,892.91 : x
  2. Step 2: Convert to fraction form
    5,251.21/7,246.41 = 2,892.91/x
  3. Step 3: Cross multiply
    5,251.21x = 7,246.41 × 2,892.91
  4. Step 4: Simplify right side
    5,251.21x = 20,963,211.95
  5. Step 5: Solve for x
    x = 20,963,211.95/5,251.21
  6. Step 6: Final answer
    x = 3,992.07

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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.