Home / 5,276.22-7,284.54-3,289.68

Finding the Fourth Proportional to 5,276.22, 7,284.54 and 3,289.68

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Solution

The fourth proportional to 5,276.22, 7,284.54 and 3,289.68 is: 4,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.22 : 7,284.54 = 3,289.68 : x
  2. Step 2: Convert to fraction form
    5,276.22/7,284.54 = 3,289.68/x
  3. Step 3: Cross multiply
    5,276.22x = 7,284.54 × 3,289.68
  4. Step 4: Simplify right side
    5,276.22x = 23,963,805.55
  5. Step 5: Solve for x
    x = 23,963,805.55/5,276.22
  6. Step 6: Final answer
    x = 4,541.85

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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.