Home / 4,687.28-6,468.72-2,591.60

Finding the Fourth Proportional to 4,687.28, 6,468.72 and 2,591.60

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Solution

The fourth proportional to 4,687.28, 6,468.72 and 2,591.60 is: 3,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.28 : 6,468.72 = 2,591.60 : x
  2. Step 2: Convert to fraction form
    4,687.28/6,468.72 = 2,591.60/x
  3. Step 3: Cross multiply
    4,687.28x = 6,468.72 × 2,591.60
  4. Step 4: Simplify right side
    4,687.28x = 16,764,334.75
  5. Step 5: Solve for x
    x = 16,764,334.75/4,687.28
  6. Step 6: Final answer
    x = 3,576.56

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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.