Home / 5,276.92-7,284.39-3,288.45

Finding the Fourth Proportional to 5,276.92, 7,284.39 and 3,288.45

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Solution

The fourth proportional to 5,276.92, 7,284.39 and 3,288.45 is: 4,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.92 : 7,284.39 = 3,288.45 : x
  2. Step 2: Convert to fraction form
    5,276.92/7,284.39 = 3,288.45/x
  3. Step 3: Cross multiply
    5,276.92x = 7,284.39 × 3,288.45
  4. Step 4: Simplify right side
    5,276.92x = 23,954,352.30
  5. Step 5: Solve for x
    x = 23,954,352.30/5,276.92
  6. Step 6: Final answer
    x = 4,539.46

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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.