Home / 3,995.46-5,518.08-2,734.29

Finding the Fourth Proportional to 3,995.46, 5,518.08 and 2,734.29

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Solution

The fourth proportional to 3,995.46, 5,518.08 and 2,734.29 is: 3,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.46 : 5,518.08 = 2,734.29 : x
  2. Step 2: Convert to fraction form
    3,995.46/5,518.08 = 2,734.29/x
  3. Step 3: Cross multiply
    3,995.46x = 5,518.08 × 2,734.29
  4. Step 4: Simplify right side
    3,995.46x = 15,088,030.96
  5. Step 5: Solve for x
    x = 15,088,030.96/3,995.46
  6. Step 6: Final answer
    x = 3,776.29

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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.