Home / 5,132.30-7,697.40-1,433.60

Finding the Fourth Proportional to 5,132.30, 7,697.40 and 1,433.60

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Solution

The fourth proportional to 5,132.30, 7,697.40 and 1,433.60 is: 2,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.30 : 7,697.40 = 1,433.60 : x
  2. Step 2: Convert to fraction form
    5,132.30/7,697.40 = 1,433.60/x
  3. Step 3: Cross multiply
    5,132.30x = 7,697.40 × 1,433.60
  4. Step 4: Simplify right side
    5,132.30x = 11,034,992.64
  5. Step 5: Solve for x
    x = 11,034,992.64/5,132.30
  6. Step 6: Final answer
    x = 2,150.11

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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.