Home / 7,540.22-10,405.54-4,183.08

Finding the Fourth Proportional to 7,540.22, 10,405.54 and 4,183.08

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Solution

The fourth proportional to 7,540.22, 10,405.54 and 4,183.08 is: 5,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.22 : 10,405.54 = 4,183.08 : x
  2. Step 2: Convert to fraction form
    7,540.22/10,405.54 = 4,183.08/x
  3. Step 3: Cross multiply
    7,540.22x = 10,405.54 × 4,183.08
  4. Step 4: Simplify right side
    7,540.22x = 43,527,206.26
  5. Step 5: Solve for x
    x = 43,527,206.26/7,540.22
  6. Step 6: Final answer
    x = 5,772.67

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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.