Home / 2,403.92-3,317.52-1,356.02

Finding the Fourth Proportional to 2,403.92, 3,317.52 and 1,356.02

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Solution

The fourth proportional to 2,403.92, 3,317.52 and 1,356.02 is: 1,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.92 : 3,317.52 = 1,356.02 : x
  2. Step 2: Convert to fraction form
    2,403.92/3,317.52 = 1,356.02/x
  3. Step 3: Cross multiply
    2,403.92x = 3,317.52 × 1,356.02
  4. Step 4: Simplify right side
    2,403.92x = 4,498,623.47
  5. Step 5: Solve for x
    x = 4,498,623.47/2,403.92
  6. Step 6: Final answer
    x = 1,871.37

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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.