Home / 5,092.47-7,028.04-2,854.31

Finding the Fourth Proportional to 5,092.47, 7,028.04 and 2,854.31

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Solution

The fourth proportional to 5,092.47, 7,028.04 and 2,854.31 is: 3,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.47 : 7,028.04 = 2,854.31 : x
  2. Step 2: Convert to fraction form
    5,092.47/7,028.04 = 2,854.31/x
  3. Step 3: Cross multiply
    5,092.47x = 7,028.04 × 2,854.31
  4. Step 4: Simplify right side
    5,092.47x = 20,060,204.85
  5. Step 5: Solve for x
    x = 20,060,204.85/5,092.47
  6. Step 6: Final answer
    x = 3,939.19

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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.