Home / 2,435.27-3,359.75-1,386.77

Finding the Fourth Proportional to 2,435.27, 3,359.75 and 1,386.77

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Solution

The fourth proportional to 2,435.27, 3,359.75 and 1,386.77 is: 1,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.27 : 3,359.75 = 1,386.77 : x
  2. Step 2: Convert to fraction form
    2,435.27/3,359.75 = 1,386.77/x
  3. Step 3: Cross multiply
    2,435.27x = 3,359.75 × 1,386.77
  4. Step 4: Simplify right side
    2,435.27x = 4,659,212.37
  5. Step 5: Solve for x
    x = 4,659,212.37/2,435.27
  6. Step 6: Final answer
    x = 1,913.22

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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.