Home / 4,839.88-6,678.00-2,849.71

Finding the Fourth Proportional to 4,839.88, 6,678.00 and 2,849.71

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Solution

The fourth proportional to 4,839.88, 6,678.00 and 2,849.71 is: 3,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.88 : 6,678.00 = 2,849.71 : x
  2. Step 2: Convert to fraction form
    4,839.88/6,678.00 = 2,849.71/x
  3. Step 3: Cross multiply
    4,839.88x = 6,678.00 × 2,849.71
  4. Step 4: Simplify right side
    4,839.88x = 19,030,322.87
  5. Step 5: Solve for x
    x = 19,030,322.87/4,839.88
  6. Step 6: Final answer
    x = 3,931.99

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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.