Home / 7,022.70-9,701.28-5,615.73

Finding the Fourth Proportional to 7,022.70, 9,701.28 and 5,615.73

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Solution

The fourth proportional to 7,022.70, 9,701.28 and 5,615.73 is: 7,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.70 : 9,701.28 = 5,615.73 : x
  2. Step 2: Convert to fraction form
    7,022.70/9,701.28 = 5,615.73/x
  3. Step 3: Cross multiply
    7,022.70x = 9,701.28 × 5,615.73
  4. Step 4: Simplify right side
    7,022.70x = 54,479,769.13
  5. Step 5: Solve for x
    x = 54,479,769.13/7,022.70
  6. Step 6: Final answer
    x = 7,757.67

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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.