Home / 5,338.40-8,010.50-2,220.56

Finding the Fourth Proportional to 5,338.40, 8,010.50 and 2,220.56

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Solution

The fourth proportional to 5,338.40, 8,010.50 and 2,220.56 is: 3,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.40 : 8,010.50 = 2,220.56 : x
  2. Step 2: Convert to fraction form
    5,338.40/8,010.50 = 2,220.56/x
  3. Step 3: Cross multiply
    5,338.40x = 8,010.50 × 2,220.56
  4. Step 4: Simplify right side
    5,338.40x = 17,787,744.72
  5. Step 5: Solve for x
    x = 17,787,744.72/5,338.40
  6. Step 6: Final answer
    x = 3,332.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.