Home / 5,104.66-7,042.74-2,866.23

Finding the Fourth Proportional to 5,104.66, 7,042.74 and 2,866.23

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Solution

The fourth proportional to 5,104.66, 7,042.74 and 2,866.23 is: 3,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.66 : 7,042.74 = 2,866.23 : x
  2. Step 2: Convert to fraction form
    5,104.66/7,042.74 = 2,866.23/x
  3. Step 3: Cross multiply
    5,104.66x = 7,042.74 × 2,866.23
  4. Step 4: Simplify right side
    5,104.66x = 20,186,112.67
  5. Step 5: Solve for x
    x = 20,186,112.67/5,104.66
  6. Step 6: Final answer
    x = 3,954.45

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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.