Home / 5,920.31-8,170.08-3,267.92

Finding the Fourth Proportional to 5,920.31, 8,170.08 and 3,267.92

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Solution

The fourth proportional to 5,920.31, 8,170.08 and 3,267.92 is: 4,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.31 : 8,170.08 = 3,267.92 : x
  2. Step 2: Convert to fraction form
    5,920.31/8,170.08 = 3,267.92/x
  3. Step 3: Cross multiply
    5,920.31x = 8,170.08 × 3,267.92
  4. Step 4: Simplify right side
    5,920.31x = 26,699,167.83
  5. Step 5: Solve for x
    x = 26,699,167.83/5,920.31
  6. Step 6: Final answer
    x = 4,509.76

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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.