Home / 7,065.72-10,600.20-2,135.16

Finding the Fourth Proportional to 7,065.72, 10,600.20 and 2,135.16

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Solution

The fourth proportional to 7,065.72, 10,600.20 and 2,135.16 is: 3,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.72 : 10,600.20 = 2,135.16 : x
  2. Step 2: Convert to fraction form
    7,065.72/10,600.20 = 2,135.16/x
  3. Step 3: Cross multiply
    7,065.72x = 10,600.20 × 2,135.16
  4. Step 4: Simplify right side
    7,065.72x = 22,633,123.03
  5. Step 5: Solve for x
    x = 22,633,123.03/7,065.72
  6. Step 6: Final answer
    x = 3,203.23

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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.