Home / 5,270.28-7,276.38-3,382.68

Finding the Fourth Proportional to 5,270.28, 7,276.38 and 3,382.68

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Solution

The fourth proportional to 5,270.28, 7,276.38 and 3,382.68 is: 4,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.28 : 7,276.38 = 3,382.68 : x
  2. Step 2: Convert to fraction form
    5,270.28/7,276.38 = 3,382.68/x
  3. Step 3: Cross multiply
    5,270.28x = 7,276.38 × 3,382.68
  4. Step 4: Simplify right side
    5,270.28x = 24,613,665.10
  5. Step 5: Solve for x
    x = 24,613,665.10/5,270.28
  6. Step 6: Final answer
    x = 4,670.28

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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.