Home / 1,735.40-2,396.58-1,442.72

Finding the Fourth Proportional to 1,735.40, 2,396.58 and 1,442.72

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Solution

The fourth proportional to 1,735.40, 2,396.58 and 1,442.72 is: 1,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.40 : 2,396.58 = 1,442.72 : x
  2. Step 2: Convert to fraction form
    1,735.40/2,396.58 = 1,442.72/x
  3. Step 3: Cross multiply
    1,735.40x = 2,396.58 × 1,442.72
  4. Step 4: Simplify right side
    1,735.40x = 3,457,593.90
  5. Step 5: Solve for x
    x = 3,457,593.90/1,735.40
  6. Step 6: Final answer
    x = 1,992.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.