Home / 2,192.48-3,288.72-1,039.04

Finding the Fourth Proportional to 2,192.48, 3,288.72 and 1,039.04

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Solution

The fourth proportional to 2,192.48, 3,288.72 and 1,039.04 is: 1,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.48 : 3,288.72 = 1,039.04 : x
  2. Step 2: Convert to fraction form
    2,192.48/3,288.72 = 1,039.04/x
  3. Step 3: Cross multiply
    2,192.48x = 3,288.72 × 1,039.04
  4. Step 4: Simplify right side
    2,192.48x = 3,417,111.63
  5. Step 5: Solve for x
    x = 3,417,111.63/2,192.48
  6. Step 6: Final answer
    x = 1,558.56

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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.