Home / 5,132.90-7,693.86-1,845.08

Finding the Fourth Proportional to 5,132.90, 7,693.86 and 1,845.08

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Solution

The fourth proportional to 5,132.90, 7,693.86 and 1,845.08 is: 2,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,693.86 = 1,845.08 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,693.86 = 1,845.08/x
  3. Step 3: Cross multiply
    5,132.90x = 7,693.86 × 1,845.08
  4. Step 4: Simplify right side
    5,132.90x = 14,195,787.21
  5. Step 5: Solve for x
    x = 14,195,787.21/5,132.90
  6. Step 6: Final answer
    x = 2,765.65

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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.