Home / 6,426.25-8,867.28-3,774.51

Finding the Fourth Proportional to 6,426.25, 8,867.28 and 3,774.51

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Solution

The fourth proportional to 6,426.25, 8,867.28 and 3,774.51 is: 5,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.25 : 8,867.28 = 3,774.51 : x
  2. Step 2: Convert to fraction form
    6,426.25/8,867.28 = 3,774.51/x
  3. Step 3: Cross multiply
    6,426.25x = 8,867.28 × 3,774.51
  4. Step 4: Simplify right side
    6,426.25x = 33,469,637.03
  5. Step 5: Solve for x
    x = 33,469,637.03/6,426.25
  6. Step 6: Final answer
    x = 5,208.27

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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.