Home / 3,132.45-4,699.31-941.09

Finding the Fourth Proportional to 3,132.45, 4,699.31 and 941.09

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Solution

The fourth proportional to 3,132.45, 4,699.31 and 941.09 is: 1,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.45 : 4,699.31 = 941.09 : x
  2. Step 2: Convert to fraction form
    3,132.45/4,699.31 = 941.09/x
  3. Step 3: Cross multiply
    3,132.45x = 4,699.31 × 941.09
  4. Step 4: Simplify right side
    3,132.45x = 4,422,445.45
  5. Step 5: Solve for x
    x = 4,422,445.45/3,132.45
  6. Step 6: Final answer
    x = 1,411.82

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1.5x scale

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.