Home / 5,789.45-7,989.75-3,271.67

Finding the Fourth Proportional to 5,789.45, 7,989.75 and 3,271.67

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Solution

The fourth proportional to 5,789.45, 7,989.75 and 3,271.67 is: 4,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.45 : 7,989.75 = 3,271.67 : x
  2. Step 2: Convert to fraction form
    5,789.45/7,989.75 = 3,271.67/x
  3. Step 3: Cross multiply
    5,789.45x = 7,989.75 × 3,271.67
  4. Step 4: Simplify right side
    5,789.45x = 26,139,785.43
  5. Step 5: Solve for x
    x = 26,139,785.43/5,789.45
  6. Step 6: Final answer
    x = 4,515.08

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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.