Home / 3,924.06-5,414.46-2,666.12

Finding the Fourth Proportional to 3,924.06, 5,414.46 and 2,666.12

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Solution

The fourth proportional to 3,924.06, 5,414.46 and 2,666.12 is: 3,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.06 : 5,414.46 = 2,666.12 : x
  2. Step 2: Convert to fraction form
    3,924.06/5,414.46 = 2,666.12/x
  3. Step 3: Cross multiply
    3,924.06x = 5,414.46 × 2,666.12
  4. Step 4: Simplify right side
    3,924.06x = 14,435,600.10
  5. Step 5: Solve for x
    x = 14,435,600.10/3,924.06
  6. Step 6: Final answer
    x = 3,678.74

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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.