Home / 5,236.38-7,225.77-2,878.44

Finding the Fourth Proportional to 5,236.38, 7,225.77 and 2,878.44

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Solution

The fourth proportional to 5,236.38, 7,225.77 and 2,878.44 is: 3,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.38 : 7,225.77 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    5,236.38/7,225.77 = 2,878.44/x
  3. Step 3: Cross multiply
    5,236.38x = 7,225.77 × 2,878.44
  4. Step 4: Simplify right side
    5,236.38x = 20,798,945.40
  5. Step 5: Solve for x
    x = 20,798,945.40/5,236.38
  6. Step 6: Final answer
    x = 3,972.01

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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.