Home / 5,087.60-7,629.48-1,754.91

Finding the Fourth Proportional to 5,087.60, 7,629.48 and 1,754.91

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Solution

The fourth proportional to 5,087.60, 7,629.48 and 1,754.91 is: 2,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.60 : 7,629.48 = 1,754.91 : x
  2. Step 2: Convert to fraction form
    5,087.60/7,629.48 = 1,754.91/x
  3. Step 3: Cross multiply
    5,087.60x = 7,629.48 × 1,754.91
  4. Step 4: Simplify right side
    5,087.60x = 13,389,050.75
  5. Step 5: Solve for x
    x = 13,389,050.75/5,087.60
  6. Step 6: Final answer
    x = 2,631.71

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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.