Home / 3,882.84-5,356.64-2,589.68

Finding the Fourth Proportional to 3,882.84, 5,356.64 and 2,589.68

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Solution

The fourth proportional to 3,882.84, 5,356.64 and 2,589.68 is: 3,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.84 : 5,356.64 = 2,589.68 : x
  2. Step 2: Convert to fraction form
    3,882.84/5,356.64 = 2,589.68/x
  3. Step 3: Cross multiply
    3,882.84x = 5,356.64 × 2,589.68
  4. Step 4: Simplify right side
    3,882.84x = 13,871,983.48
  5. Step 5: Solve for x
    x = 13,871,983.48/3,882.84
  6. Step 6: Final answer
    x = 3,572.64

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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.