Home / 5,825.10-8,735.09-1,720.14

Finding the Fourth Proportional to 5,825.10, 8,735.09 and 1,720.14

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Solution

The fourth proportional to 5,825.10, 8,735.09 and 1,720.14 is: 2,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.10 : 8,735.09 = 1,720.14 : x
  2. Step 2: Convert to fraction form
    5,825.10/8,735.09 = 1,720.14/x
  3. Step 3: Cross multiply
    5,825.10x = 8,735.09 × 1,720.14
  4. Step 4: Simplify right side
    5,825.10x = 15,025,577.71
  5. Step 5: Solve for x
    x = 15,025,577.71/5,825.10
  6. Step 6: Final answer
    x = 2,579.45

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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.