Home / 5,248.94-7,243.47-2,891.03

Finding the Fourth Proportional to 5,248.94, 7,243.47 and 2,891.03

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Solution

The fourth proportional to 5,248.94, 7,243.47 and 2,891.03 is: 3,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.94 : 7,243.47 = 2,891.03 : x
  2. Step 2: Convert to fraction form
    5,248.94/7,243.47 = 2,891.03/x
  3. Step 3: Cross multiply
    5,248.94x = 7,243.47 × 2,891.03
  4. Step 4: Simplify right side
    5,248.94x = 20,941,052.86
  5. Step 5: Solve for x
    x = 20,941,052.86/5,248.94
  6. Step 6: Final answer
    x = 3,989.58

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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.