Home / 2,516.11-3,757.21-2,054.78

Finding the Fourth Proportional to 2,516.11, 3,757.21 and 2,054.78

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Solution

The fourth proportional to 2,516.11, 3,757.21 and 2,054.78 is: 3,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.11 : 3,757.21 = 2,054.78 : x
  2. Step 2: Convert to fraction form
    2,516.11/3,757.21 = 2,054.78/x
  3. Step 3: Cross multiply
    2,516.11x = 3,757.21 × 2,054.78
  4. Step 4: Simplify right side
    2,516.11x = 7,720,230.13
  5. Step 5: Solve for x
    x = 7,720,230.13/2,516.11
  6. Step 6: Final answer
    x = 3,068.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.