Home / 7,195.28-9,928.66-4,008.07

Finding the Fourth Proportional to 7,195.28, 9,928.66 and 4,008.07

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Solution

The fourth proportional to 7,195.28, 9,928.66 and 4,008.07 is: 5,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.28 : 9,928.66 = 4,008.07 : x
  2. Step 2: Convert to fraction form
    7,195.28/9,928.66 = 4,008.07/x
  3. Step 3: Cross multiply
    7,195.28x = 9,928.66 × 4,008.07
  4. Step 4: Simplify right side
    7,195.28x = 39,794,694.60
  5. Step 5: Solve for x
    x = 39,794,694.60/7,195.28
  6. Step 6: Final answer
    x = 5,530.67

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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.