Home / 4,901.49-6,760.46-3,109.52

Finding the Fourth Proportional to 4,901.49, 6,760.46 and 3,109.52

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Solution

The fourth proportional to 4,901.49, 6,760.46 and 3,109.52 is: 4,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.49 : 6,760.46 = 3,109.52 : x
  2. Step 2: Convert to fraction form
    4,901.49/6,760.46 = 3,109.52/x
  3. Step 3: Cross multiply
    4,901.49x = 6,760.46 × 3,109.52
  4. Step 4: Simplify right side
    4,901.49x = 21,021,736.23
  5. Step 5: Solve for x
    x = 21,021,736.23/4,901.49
  6. Step 6: Final answer
    x = 4,288.85

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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.