Home / 5,259.58-7,890.12-1,748.43

Finding the Fourth Proportional to 5,259.58, 7,890.12 and 1,748.43

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Solution

The fourth proportional to 5,259.58, 7,890.12 and 1,748.43 is: 2,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.58 : 7,890.12 = 1,748.43 : x
  2. Step 2: Convert to fraction form
    5,259.58/7,890.12 = 1,748.43/x
  3. Step 3: Cross multiply
    5,259.58x = 7,890.12 × 1,748.43
  4. Step 4: Simplify right side
    5,259.58x = 13,795,322.51
  5. Step 5: Solve for x
    x = 13,795,322.51/5,259.58
  6. Step 6: Final answer
    x = 2,622.90

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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.