Home / 5,139.47-7,092.44-2,901.33

Finding the Fourth Proportional to 5,139.47, 7,092.44 and 2,901.33

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Solution

The fourth proportional to 5,139.47, 7,092.44 and 2,901.33 is: 4,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.47 : 7,092.44 = 2,901.33 : x
  2. Step 2: Convert to fraction form
    5,139.47/7,092.44 = 2,901.33/x
  3. Step 3: Cross multiply
    5,139.47x = 7,092.44 × 2,901.33
  4. Step 4: Simplify right side
    5,139.47x = 20,577,494.44
  5. Step 5: Solve for x
    x = 20,577,494.44/5,139.47
  6. Step 6: Final answer
    x = 4,003.82

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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.