Home / 1,712.27-2,362.53-1,039.92

Finding the Fourth Proportional to 1,712.27, 2,362.53 and 1,039.92

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Solution

The fourth proportional to 1,712.27, 2,362.53 and 1,039.92 is: 1,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.27 : 2,362.53 = 1,039.92 : x
  2. Step 2: Convert to fraction form
    1,712.27/2,362.53 = 1,039.92/x
  3. Step 3: Cross multiply
    1,712.27x = 2,362.53 × 1,039.92
  4. Step 4: Simplify right side
    1,712.27x = 2,456,842.20
  5. Step 5: Solve for x
    x = 2,456,842.20/1,712.27
  6. Step 6: Final answer
    x = 1,434.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.