Home / 5,236.11-7,225.94-2,878.27

Finding the Fourth Proportional to 5,236.11, 7,225.94 and 2,878.27

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Solution

The fourth proportional to 5,236.11, 7,225.94 and 2,878.27 is: 3,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.11 : 7,225.94 = 2,878.27 : x
  2. Step 2: Convert to fraction form
    5,236.11/7,225.94 = 2,878.27/x
  3. Step 3: Cross multiply
    5,236.11x = 7,225.94 × 2,878.27
  4. Step 4: Simplify right side
    5,236.11x = 20,798,195.45
  5. Step 5: Solve for x
    x = 20,798,195.45/5,236.11
  6. Step 6: Final answer
    x = 3,972.07

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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.