Home / 5,195.68-7,170.22-3,206.20

Finding the Fourth Proportional to 5,195.68, 7,170.22 and 3,206.20

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Solution

The fourth proportional to 5,195.68, 7,170.22 and 3,206.20 is: 4,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.68 : 7,170.22 = 3,206.20 : x
  2. Step 2: Convert to fraction form
    5,195.68/7,170.22 = 3,206.20/x
  3. Step 3: Cross multiply
    5,195.68x = 7,170.22 × 3,206.20
  4. Step 4: Simplify right side
    5,195.68x = 22,989,159.36
  5. Step 5: Solve for x
    x = 22,989,159.36/5,195.68
  6. Step 6: Final answer
    x = 4,424.67

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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.