Home / 5,282.54-7,290.02-2,892.62

Finding the Fourth Proportional to 5,282.54, 7,290.02 and 2,892.62

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Solution

The fourth proportional to 5,282.54, 7,290.02 and 2,892.62 is: 3,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.54 : 7,290.02 = 2,892.62 : x
  2. Step 2: Convert to fraction form
    5,282.54/7,290.02 = 2,892.62/x
  3. Step 3: Cross multiply
    5,282.54x = 7,290.02 × 2,892.62
  4. Step 4: Simplify right side
    5,282.54x = 21,087,221.20
  5. Step 5: Solve for x
    x = 21,087,221.20/5,282.54
  6. Step 6: Final answer
    x = 3,991.87

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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.