Home / 5,729.93-7,908.81-3,493.28

Finding the Fourth Proportional to 5,729.93, 7,908.81 and 3,493.28

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Solution

The fourth proportional to 5,729.93, 7,908.81 and 3,493.28 is: 4,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.93 : 7,908.81 = 3,493.28 : x
  2. Step 2: Convert to fraction form
    5,729.93/7,908.81 = 3,493.28/x
  3. Step 3: Cross multiply
    5,729.93x = 7,908.81 × 3,493.28
  4. Step 4: Simplify right side
    5,729.93x = 27,627,687.80
  5. Step 5: Solve for x
    x = 27,627,687.80/5,729.93
  6. Step 6: Final answer
    x = 4,821.64

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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.