Home / 5,282.15-7,289.14-2,892.08

Finding the Fourth Proportional to 5,282.15, 7,289.14 and 2,892.08

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Solution

The fourth proportional to 5,282.15, 7,289.14 and 2,892.08 is: 3,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.15 : 7,289.14 = 2,892.08 : x
  2. Step 2: Convert to fraction form
    5,282.15/7,289.14 = 2,892.08/x
  3. Step 3: Cross multiply
    5,282.15x = 7,289.14 × 2,892.08
  4. Step 4: Simplify right side
    5,282.15x = 21,080,768.79
  5. Step 5: Solve for x
    x = 21,080,768.79/5,282.15
  6. Step 6: Final answer
    x = 3,990.94

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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.