Home / 3,884.84-5,357.58-2,558.06

Finding the Fourth Proportional to 3,884.84, 5,357.58 and 2,558.06

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Solution

The fourth proportional to 3,884.84, 5,357.58 and 2,558.06 is: 3,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.84 : 5,357.58 = 2,558.06 : x
  2. Step 2: Convert to fraction form
    3,884.84/5,357.58 = 2,558.06/x
  3. Step 3: Cross multiply
    3,884.84x = 5,357.58 × 2,558.06
  4. Step 4: Simplify right side
    3,884.84x = 13,705,011.09
  5. Step 5: Solve for x
    x = 13,705,011.09/3,884.84
  6. Step 6: Final answer
    x = 3,527.82

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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.