Home / 5,920.11-8,169.80-3,267.70

Finding the Fourth Proportional to 5,920.11, 8,169.80 and 3,267.70

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Solution

The fourth proportional to 5,920.11, 8,169.80 and 3,267.70 is: 4,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.11 : 8,169.80 = 3,267.70 : x
  2. Step 2: Convert to fraction form
    5,920.11/8,169.80 = 3,267.70/x
  3. Step 3: Cross multiply
    5,920.11x = 8,169.80 × 3,267.70
  4. Step 4: Simplify right side
    5,920.11x = 26,696,455.46
  5. Step 5: Solve for x
    x = 26,696,455.46/5,920.11
  6. Step 6: Final answer
    x = 4,509.45

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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.