Home / 2,124.24-3,187.62-1,150.32

Finding the Fourth Proportional to 2,124.24, 3,187.62 and 1,150.32

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Solution

The fourth proportional to 2,124.24, 3,187.62 and 1,150.32 is: 1,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.24 : 3,187.62 = 1,150.32 : x
  2. Step 2: Convert to fraction form
    2,124.24/3,187.62 = 1,150.32/x
  3. Step 3: Cross multiply
    2,124.24x = 3,187.62 × 1,150.32
  4. Step 4: Simplify right side
    2,124.24x = 3,666,783.04
  5. Step 5: Solve for x
    x = 3,666,783.04/2,124.24
  6. Step 6: Final answer
    x = 1,726.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.