Home / 5,282.14-7,289.28-2,892.06

Finding the Fourth Proportional to 5,282.14, 7,289.28 and 2,892.06

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Solution

The fourth proportional to 5,282.14, 7,289.28 and 2,892.06 is: 3,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.14 : 7,289.28 = 2,892.06 : x
  2. Step 2: Convert to fraction form
    5,282.14/7,289.28 = 2,892.06/x
  3. Step 3: Cross multiply
    5,282.14x = 7,289.28 × 2,892.06
  4. Step 4: Simplify right side
    5,282.14x = 21,081,035.12
  5. Step 5: Solve for x
    x = 21,081,035.12/5,282.14
  6. Step 6: Final answer
    x = 3,991.00

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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.