Home / 5,109.23-7,657.66-3,626.12

Finding the Fourth Proportional to 5,109.23, 7,657.66 and 3,626.12

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Solution

The fourth proportional to 5,109.23, 7,657.66 and 3,626.12 is: 5,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.23 : 7,657.66 = 3,626.12 : x
  2. Step 2: Convert to fraction form
    5,109.23/7,657.66 = 3,626.12/x
  3. Step 3: Cross multiply
    5,109.23x = 7,657.66 × 3,626.12
  4. Step 4: Simplify right side
    5,109.23x = 27,767,594.08
  5. Step 5: Solve for x
    x = 27,767,594.08/5,109.23
  6. Step 6: Final answer
    x = 5,434.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.