Home / 4,935.13-6,811.23-2,839.12

Finding the Fourth Proportional to 4,935.13, 6,811.23 and 2,839.12

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Solution

The fourth proportional to 4,935.13, 6,811.23 and 2,839.12 is: 3,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.13 : 6,811.23 = 2,839.12 : x
  2. Step 2: Convert to fraction form
    4,935.13/6,811.23 = 2,839.12/x
  3. Step 3: Cross multiply
    4,935.13x = 6,811.23 × 2,839.12
  4. Step 4: Simplify right side
    4,935.13x = 19,337,899.32
  5. Step 5: Solve for x
    x = 19,337,899.32/4,935.13
  6. Step 6: Final answer
    x = 3,918.42

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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.