Home / 5,268-7,271.28-3,591.84

Finding the Fourth Proportional to 5,268, 7,271.28 and 3,591.84

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Solution

The fourth proportional to 5,268, 7,271.28 and 3,591.84 is: 4,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268 : 7,271.28 = 3,591.84 : x
  2. Step 2: Convert to fraction form
    5,268/7,271.28 = 3,591.84/x
  3. Step 3: Cross multiply
    5,268x = 7,271.28 × 3,591.84
  4. Step 4: Simplify right side
    5,268x = 26,117,274.36
  5. Step 5: Solve for x
    x = 26,117,274.36/5,268
  6. Step 6: Final answer
    x = 4,957.72

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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.