Home / 4,259.24-6,387.82-1,485.51

Finding the Fourth Proportional to 4,259.24, 6,387.82 and 1,485.51

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Solution

The fourth proportional to 4,259.24, 6,387.82 and 1,485.51 is: 2,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.24 : 6,387.82 = 1,485.51 : x
  2. Step 2: Convert to fraction form
    4,259.24/6,387.82 = 1,485.51/x
  3. Step 3: Cross multiply
    4,259.24x = 6,387.82 × 1,485.51
  4. Step 4: Simplify right side
    4,259.24x = 9,489,166.77
  5. Step 5: Solve for x
    x = 9,489,166.77/4,259.24
  6. Step 6: Final answer
    x = 2,227.90

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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.