Home / 5,241.79-7,233.71-2,851.79

Finding the Fourth Proportional to 5,241.79, 7,233.71 and 2,851.79

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Solution

The fourth proportional to 5,241.79, 7,233.71 and 2,851.79 is: 3,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.79 : 7,233.71 = 2,851.79 : x
  2. Step 2: Convert to fraction form
    5,241.79/7,233.71 = 2,851.79/x
  3. Step 3: Cross multiply
    5,241.79x = 7,233.71 × 2,851.79
  4. Step 4: Simplify right side
    5,241.79x = 20,628,971.41
  5. Step 5: Solve for x
    x = 20,628,971.41/5,241.79
  6. Step 6: Final answer
    x = 3,935.48

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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.