Home / 5,236.58-7,226.61-2,878.94

Finding the Fourth Proportional to 5,236.58, 7,226.61 and 2,878.94

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Solution

The fourth proportional to 5,236.58, 7,226.61 and 2,878.94 is: 3,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.58 : 7,226.61 = 2,878.94 : x
  2. Step 2: Convert to fraction form
    5,236.58/7,226.61 = 2,878.94/x
  3. Step 3: Cross multiply
    5,236.58x = 7,226.61 × 2,878.94
  4. Step 4: Simplify right side
    5,236.58x = 20,804,976.59
  5. Step 5: Solve for x
    x = 20,804,976.59/5,236.58
  6. Step 6: Final answer
    x = 3,973.01

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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.