Home / 4,157.72-6,237.60-1,236.02

Finding the Fourth Proportional to 4,157.72, 6,237.60 and 1,236.02

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Solution

The fourth proportional to 4,157.72, 6,237.60 and 1,236.02 is: 1,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.72 : 6,237.60 = 1,236.02 : x
  2. Step 2: Convert to fraction form
    4,157.72/6,237.60 = 1,236.02/x
  3. Step 3: Cross multiply
    4,157.72x = 6,237.60 × 1,236.02
  4. Step 4: Simplify right side
    4,157.72x = 7,709,798.35
  5. Step 5: Solve for x
    x = 7,709,798.35/4,157.72
  6. Step 6: Final answer
    x = 1,854.34

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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.