Home / 3,954.33-5,457.06-2,186.00

Finding the Fourth Proportional to 3,954.33, 5,457.06 and 2,186.00

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Solution

The fourth proportional to 3,954.33, 5,457.06 and 2,186.00 is: 3,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.33 : 5,457.06 = 2,186.00 : x
  2. Step 2: Convert to fraction form
    3,954.33/5,457.06 = 2,186.00/x
  3. Step 3: Cross multiply
    3,954.33x = 5,457.06 × 2,186.00
  4. Step 4: Simplify right side
    3,954.33x = 11,929,126.34
  5. Step 5: Solve for x
    x = 11,929,126.34/3,954.33
  6. Step 6: Final answer
    x = 3,016.73

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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.