Home / 7,135.62-10,706.51-2,756.16

Finding the Fourth Proportional to 7,135.62, 10,706.51 and 2,756.16

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Solution

The fourth proportional to 7,135.62, 10,706.51 and 2,756.16 is: 4,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.62 : 10,706.51 = 2,756.16 : x
  2. Step 2: Convert to fraction form
    7,135.62/10,706.51 = 2,756.16/x
  3. Step 3: Cross multiply
    7,135.62x = 10,706.51 × 2,756.16
  4. Step 4: Simplify right side
    7,135.62x = 29,508,840.82
  5. Step 5: Solve for x
    x = 29,508,840.82/7,135.62
  6. Step 6: Final answer
    x = 4,135.43

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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.