Home / 3,358.85-4,634.89-1,866.67

Finding the Fourth Proportional to 3,358.85, 4,634.89 and 1,866.67

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Solution

The fourth proportional to 3,358.85, 4,634.89 and 1,866.67 is: 2,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.85 : 4,634.89 = 1,866.67 : x
  2. Step 2: Convert to fraction form
    3,358.85/4,634.89 = 1,866.67/x
  3. Step 3: Cross multiply
    3,358.85x = 4,634.89 × 1,866.67
  4. Step 4: Simplify right side
    3,358.85x = 8,651,793.86
  5. Step 5: Solve for x
    x = 8,651,793.86/3,358.85
  6. Step 6: Final answer
    x = 2,575.82

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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.