Home / 5,104.49-7,043.99-2,866.47

Finding the Fourth Proportional to 5,104.49, 7,043.99 and 2,866.47

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Solution

The fourth proportional to 5,104.49, 7,043.99 and 2,866.47 is: 3,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.49 : 7,043.99 = 2,866.47 : x
  2. Step 2: Convert to fraction form
    5,104.49/7,043.99 = 2,866.47/x
  3. Step 3: Cross multiply
    5,104.49x = 7,043.99 × 2,866.47
  4. Step 4: Simplify right side
    5,104.49x = 20,191,371.68
  5. Step 5: Solve for x
    x = 20,191,371.68/5,104.49
  6. Step 6: Final answer
    x = 3,955.61

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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.