Home / 5,920.50-8,170.13-3,267.85

Finding the Fourth Proportional to 5,920.50, 8,170.13 and 3,267.85

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Solution

The fourth proportional to 5,920.50, 8,170.13 and 3,267.85 is: 4,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.50 : 8,170.13 = 3,267.85 : x
  2. Step 2: Convert to fraction form
    5,920.50/8,170.13 = 3,267.85/x
  3. Step 3: Cross multiply
    5,920.50x = 8,170.13 × 3,267.85
  4. Step 4: Simplify right side
    5,920.50x = 26,698,762.38
  5. Step 5: Solve for x
    x = 26,698,762.38/5,920.50
  6. Step 6: Final answer
    x = 4,509.55

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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.