Home / 5,399.89-7,451.67-3,009.76

Finding the Fourth Proportional to 5,399.89, 7,451.67 and 3,009.76

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Solution

The fourth proportional to 5,399.89, 7,451.67 and 3,009.76 is: 4,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.89 : 7,451.67 = 3,009.76 : x
  2. Step 2: Convert to fraction form
    5,399.89/7,451.67 = 3,009.76/x
  3. Step 3: Cross multiply
    5,399.89x = 7,451.67 × 3,009.76
  4. Step 4: Simplify right side
    5,399.89x = 22,427,722.49
  5. Step 5: Solve for x
    x = 22,427,722.49/5,399.89
  6. Step 6: Final answer
    x = 4,153.37

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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.