Home / 5,282.15-7,289.82-2,924.78

Finding the Fourth Proportional to 5,282.15, 7,289.82 and 2,924.78

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Solution

The fourth proportional to 5,282.15, 7,289.82 and 2,924.78 is: 4,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.15 : 7,289.82 = 2,924.78 : x
  2. Step 2: Convert to fraction form
    5,282.15/7,289.82 = 2,924.78/x
  3. Step 3: Cross multiply
    5,282.15x = 7,289.82 × 2,924.78
  4. Step 4: Simplify right side
    5,282.15x = 21,321,083.29
  5. Step 5: Solve for x
    x = 21,321,083.29/5,282.15
  6. Step 6: Final answer
    x = 4,036.44

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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.