Home / 5,165.29-7,126.85-3,276.18

Finding the Fourth Proportional to 5,165.29, 7,126.85 and 3,276.18

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Solution

The fourth proportional to 5,165.29, 7,126.85 and 3,276.18 is: 4,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.29 : 7,126.85 = 3,276.18 : x
  2. Step 2: Convert to fraction form
    5,165.29/7,126.85 = 3,276.18/x
  3. Step 3: Cross multiply
    5,165.29x = 7,126.85 × 3,276.18
  4. Step 4: Simplify right side
    5,165.29x = 23,348,844.64
  5. Step 5: Solve for x
    x = 23,348,844.64/5,165.29
  6. Step 6: Final answer
    x = 4,520.34

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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.