Home / 5,330.45-7,356-2,972.73

Finding the Fourth Proportional to 5,330.45, 7,356 and 2,972.73

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Solution

The fourth proportional to 5,330.45, 7,356 and 2,972.73 is: 4,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.45 : 7,356 = 2,972.73 : x
  2. Step 2: Convert to fraction form
    5,330.45/7,356 = 2,972.73/x
  3. Step 3: Cross multiply
    5,330.45x = 7,356 × 2,972.73
  4. Step 4: Simplify right side
    5,330.45x = 21,867,401.88
  5. Step 5: Solve for x
    x = 21,867,401.88/5,330.45
  6. Step 6: Final answer
    x = 4,102.36

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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.