Home / 5,282.63-7,289.97-2,892.58

Finding the Fourth Proportional to 5,282.63, 7,289.97 and 2,892.58

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Solution

The fourth proportional to 5,282.63, 7,289.97 and 2,892.58 is: 3,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.63 : 7,289.97 = 2,892.58 : x
  2. Step 2: Convert to fraction form
    5,282.63/7,289.97 = 2,892.58/x
  3. Step 3: Cross multiply
    5,282.63x = 7,289.97 × 2,892.58
  4. Step 4: Simplify right side
    5,282.63x = 21,086,792.35
  5. Step 5: Solve for x
    x = 21,086,792.35/5,282.63
  6. Step 6: Final answer
    x = 3,991.72

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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.