Home / 3,954.41-5,457.12-2,186.07

Finding the Fourth Proportional to 3,954.41, 5,457.12 and 2,186.07

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Solution

The fourth proportional to 3,954.41, 5,457.12 and 2,186.07 is: 3,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.41 : 5,457.12 = 2,186.07 : x
  2. Step 2: Convert to fraction form
    3,954.41/5,457.12 = 2,186.07/x
  3. Step 3: Cross multiply
    3,954.41x = 5,457.12 × 2,186.07
  4. Step 4: Simplify right side
    3,954.41x = 11,929,646.32
  5. Step 5: Solve for x
    x = 11,929,646.32/3,954.41
  6. Step 6: Final answer
    x = 3,016.80

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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.