Home / 3,954.88-5,455.92-2,558.08

Finding the Fourth Proportional to 3,954.88, 5,455.92 and 2,558.08

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Solution

The fourth proportional to 3,954.88, 5,455.92 and 2,558.08 is: 3,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.88 : 5,455.92 = 2,558.08 : x
  2. Step 2: Convert to fraction form
    3,954.88/5,455.92 = 2,558.08/x
  3. Step 3: Cross multiply
    3,954.88x = 5,455.92 × 2,558.08
  4. Step 4: Simplify right side
    3,954.88x = 13,956,679.83
  5. Step 5: Solve for x
    x = 13,956,679.83/3,954.88
  6. Step 6: Final answer
    x = 3,528.98

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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.