Home / 3,157.18-4,735.77-2,000.50

Finding the Fourth Proportional to 3,157.18, 4,735.77 and 2,000.50

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Solution

The fourth proportional to 3,157.18, 4,735.77 and 2,000.50 is: 3,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.18 : 4,735.77 = 2,000.50 : x
  2. Step 2: Convert to fraction form
    3,157.18/4,735.77 = 2,000.50/x
  3. Step 3: Cross multiply
    3,157.18x = 4,735.77 × 2,000.50
  4. Step 4: Simplify right side
    3,157.18x = 9,473,907.89
  5. Step 5: Solve for x
    x = 9,473,907.89/3,157.18
  6. Step 6: Final answer
    x = 3,000.75

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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.