Home / 2,754.96-4,129.65-1,369.29

Finding the Fourth Proportional to 2,754.96, 4,129.65 and 1,369.29

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Solution

The fourth proportional to 2,754.96, 4,129.65 and 1,369.29 is: 2,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.96 : 4,129.65 = 1,369.29 : x
  2. Step 2: Convert to fraction form
    2,754.96/4,129.65 = 1,369.29/x
  3. Step 3: Cross multiply
    2,754.96x = 4,129.65 × 1,369.29
  4. Step 4: Simplify right side
    2,754.96x = 5,654,688.45
  5. Step 5: Solve for x
    x = 5,654,688.45/2,754.96
  6. Step 6: Final answer
    x = 2,052.55

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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.