Home / 1,933.20-2,892.60-1,153.60

Finding the Fourth Proportional to 1,933.20, 2,892.60 and 1,153.60

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Solution

The fourth proportional to 1,933.20, 2,892.60 and 1,153.60 is: 1,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.20 : 2,892.60 = 1,153.60 : x
  2. Step 2: Convert to fraction form
    1,933.20/2,892.60 = 1,153.60/x
  3. Step 3: Cross multiply
    1,933.20x = 2,892.60 × 1,153.60
  4. Step 4: Simplify right side
    1,933.20x = 3,336,903.36
  5. Step 5: Solve for x
    x = 3,336,903.36/1,933.20
  6. Step 6: Final answer
    x = 1,726.10

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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.