Home / 3,742.83-5,165.34-2,149.98

Finding the Fourth Proportional to 3,742.83, 5,165.34 and 2,149.98

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Solution

The fourth proportional to 3,742.83, 5,165.34 and 2,149.98 is: 2,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.83 : 5,165.34 = 2,149.98 : x
  2. Step 2: Convert to fraction form
    3,742.83/5,165.34 = 2,149.98/x
  3. Step 3: Cross multiply
    3,742.83x = 5,165.34 × 2,149.98
  4. Step 4: Simplify right side
    3,742.83x = 11,105,351.87
  5. Step 5: Solve for x
    x = 11,105,351.87/3,742.83
  6. Step 6: Final answer
    x = 2,967.10

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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.