Home / 4,935.39-6,811.47-2,839.52

Finding the Fourth Proportional to 4,935.39, 6,811.47 and 2,839.52

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Solution

The fourth proportional to 4,935.39, 6,811.47 and 2,839.52 is: 3,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.39 : 6,811.47 = 2,839.52 : x
  2. Step 2: Convert to fraction form
    4,935.39/6,811.47 = 2,839.52/x
  3. Step 3: Cross multiply
    4,935.39x = 6,811.47 × 2,839.52
  4. Step 4: Simplify right side
    4,935.39x = 19,341,271.24
  5. Step 5: Solve for x
    x = 19,341,271.24/4,935.39
  6. Step 6: Final answer
    x = 3,918.89

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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.