Home / 2,764.29-4,146.44-2,276.32

Finding the Fourth Proportional to 2,764.29, 4,146.44 and 2,276.32

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Solution

The fourth proportional to 2,764.29, 4,146.44 and 2,276.32 is: 3,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.29 : 4,146.44 = 2,276.32 : x
  2. Step 2: Convert to fraction form
    2,764.29/4,146.44 = 2,276.32/x
  3. Step 3: Cross multiply
    2,764.29x = 4,146.44 × 2,276.32
  4. Step 4: Simplify right side
    2,764.29x = 9,438,602.55
  5. Step 5: Solve for x
    x = 9,438,602.55/2,764.29
  6. Step 6: Final answer
    x = 3,414.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.