Home / 5,920.74-8,170.48-3,268.15

Finding the Fourth Proportional to 5,920.74, 8,170.48 and 3,268.15

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Solution

The fourth proportional to 5,920.74, 8,170.48 and 3,268.15 is: 4,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.74 : 8,170.48 = 3,268.15 : x
  2. Step 2: Convert to fraction form
    5,920.74/8,170.48 = 3,268.15/x
  3. Step 3: Cross multiply
    5,920.74x = 8,170.48 × 3,268.15
  4. Step 4: Simplify right side
    5,920.74x = 26,702,354.21
  5. Step 5: Solve for x
    x = 26,702,354.21/5,920.74
  6. Step 6: Final answer
    x = 4,509.97

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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.