Home / 7,157.87-10,737.94-2,228.64

Finding the Fourth Proportional to 7,157.87, 10,737.94 and 2,228.64

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Solution

The fourth proportional to 7,157.87, 10,737.94 and 2,228.64 is: 3,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.87 : 10,737.94 = 2,228.64 : x
  2. Step 2: Convert to fraction form
    7,157.87/10,737.94 = 2,228.64/x
  3. Step 3: Cross multiply
    7,157.87x = 10,737.94 × 2,228.64
  4. Step 4: Simplify right side
    7,157.87x = 23,931,002.60
  5. Step 5: Solve for x
    x = 23,931,002.60/7,157.87
  6. Step 6: Final answer
    x = 3,343.32

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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.