Home / 3,888.06-5,369.88-2,626.92

Finding the Fourth Proportional to 3,888.06, 5,369.88 and 2,626.92

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Solution

The fourth proportional to 3,888.06, 5,369.88 and 2,626.92 is: 3,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.06 : 5,369.88 = 2,626.92 : x
  2. Step 2: Convert to fraction form
    3,888.06/5,369.88 = 2,626.92/x
  3. Step 3: Cross multiply
    3,888.06x = 5,369.88 × 2,626.92
  4. Step 4: Simplify right side
    3,888.06x = 14,106,245.17
  5. Step 5: Solve for x
    x = 14,106,245.17/3,888.06
  6. Step 6: Final answer
    x = 3,628.09

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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.