Home / 2,362.80-3,260.62-1,368.12

Finding the Fourth Proportional to 2,362.80, 3,260.62 and 1,368.12

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Solution

The fourth proportional to 2,362.80, 3,260.62 and 1,368.12 is: 1,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.80 : 3,260.62 = 1,368.12 : x
  2. Step 2: Convert to fraction form
    2,362.80/3,260.62 = 1,368.12/x
  3. Step 3: Cross multiply
    2,362.80x = 3,260.62 × 1,368.12
  4. Step 4: Simplify right side
    2,362.80x = 4,460,919.43
  5. Step 5: Solve for x
    x = 4,460,919.43/2,362.80
  6. Step 6: Final answer
    x = 1,887.98

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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.