Home / 4,791.01-7,188.29-2,157.72

Finding the Fourth Proportional to 4,791.01, 7,188.29 and 2,157.72

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Solution

The fourth proportional to 4,791.01, 7,188.29 and 2,157.72 is: 3,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.01 : 7,188.29 = 2,157.72 : x
  2. Step 2: Convert to fraction form
    4,791.01/7,188.29 = 2,157.72/x
  3. Step 3: Cross multiply
    4,791.01x = 7,188.29 × 2,157.72
  4. Step 4: Simplify right side
    4,791.01x = 15,510,317.10
  5. Step 5: Solve for x
    x = 15,510,317.10/4,791.01
  6. Step 6: Final answer
    x = 3,237.38

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1.5x scale

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.