Home / 3,391.77-5,064.56-2,993.13

Finding the Fourth Proportional to 3,391.77, 5,064.56 and 2,993.13

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Solution

The fourth proportional to 3,391.77, 5,064.56 and 2,993.13 is: 4,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.77 : 5,064.56 = 2,993.13 : x
  2. Step 2: Convert to fraction form
    3,391.77/5,064.56 = 2,993.13/x
  3. Step 3: Cross multiply
    3,391.77x = 5,064.56 × 2,993.13
  4. Step 4: Simplify right side
    3,391.77x = 15,158,886.47
  5. Step 5: Solve for x
    x = 15,158,886.47/3,391.77
  6. Step 6: Final answer
    x = 4,469.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.