Home / 5,243.84-7,236.55-2,886.04

Finding the Fourth Proportional to 5,243.84, 7,236.55 and 2,886.04

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Solution

The fourth proportional to 5,243.84, 7,236.55 and 2,886.04 is: 3,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.84 : 7,236.55 = 2,886.04 : x
  2. Step 2: Convert to fraction form
    5,243.84/7,236.55 = 2,886.04/x
  3. Step 3: Cross multiply
    5,243.84x = 7,236.55 × 2,886.04
  4. Step 4: Simplify right side
    5,243.84x = 20,884,965.49
  5. Step 5: Solve for x
    x = 20,884,965.49/5,243.84
  6. Step 6: Final answer
    x = 3,982.76

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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.