Home / 5,277.35-7,282.44-2,886.84

Finding the Fourth Proportional to 5,277.35, 7,282.44 and 2,886.84

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Solution

The fourth proportional to 5,277.35, 7,282.44 and 2,886.84 is: 3,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.35 : 7,282.44 = 2,886.84 : x
  2. Step 2: Convert to fraction form
    5,277.35/7,282.44 = 2,886.84/x
  3. Step 3: Cross multiply
    5,277.35x = 7,282.44 × 2,886.84
  4. Step 4: Simplify right side
    5,277.35x = 21,023,239.09
  5. Step 5: Solve for x
    x = 21,023,239.09/5,277.35
  6. Step 6: Final answer
    x = 3,983.68

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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.