Home / 3,954.75-5,457.52-2,186.27

Finding the Fourth Proportional to 3,954.75, 5,457.52 and 2,186.27

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Solution

The fourth proportional to 3,954.75, 5,457.52 and 2,186.27 is: 3,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.75 : 5,457.52 = 2,186.27 : x
  2. Step 2: Convert to fraction form
    3,954.75/5,457.52 = 2,186.27/x
  3. Step 3: Cross multiply
    3,954.75x = 5,457.52 × 2,186.27
  4. Step 4: Simplify right side
    3,954.75x = 11,931,601.32
  5. Step 5: Solve for x
    x = 11,931,601.32/3,954.75
  6. Step 6: Final answer
    x = 3,017.03

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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.