Home / 3,742.39-5,162.90-2,745.93

Finding the Fourth Proportional to 3,742.39, 5,162.90 and 2,745.93

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Solution

The fourth proportional to 3,742.39, 5,162.90 and 2,745.93 is: 3,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.39 : 5,162.90 = 2,745.93 : x
  2. Step 2: Convert to fraction form
    3,742.39/5,162.90 = 2,745.93/x
  3. Step 3: Cross multiply
    3,742.39x = 5,162.90 × 2,745.93
  4. Step 4: Simplify right side
    3,742.39x = 14,176,983.07
  5. Step 5: Solve for x
    x = 14,176,983.07/3,742.39
  6. Step 6: Final answer
    x = 3,788.22

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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.