Home / 3,358.69-5,038.21-1,249.86

Finding the Fourth Proportional to 3,358.69, 5,038.21 and 1,249.86

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Solution

The fourth proportional to 3,358.69, 5,038.21 and 1,249.86 is: 1,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.69 : 5,038.21 = 1,249.86 : x
  2. Step 2: Convert to fraction form
    3,358.69/5,038.21 = 1,249.86/x
  3. Step 3: Cross multiply
    3,358.69x = 5,038.21 × 1,249.86
  4. Step 4: Simplify right side
    3,358.69x = 6,297,058.11
  5. Step 5: Solve for x
    x = 6,297,058.11/3,358.69
  6. Step 6: Final answer
    x = 1,874.85

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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.