Home / 3,386.96-4,674.24-1,895

Finding the Fourth Proportional to 3,386.96, 4,674.24 and 1,895

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Solution

The fourth proportional to 3,386.96, 4,674.24 and 1,895 is: 2,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.96 : 4,674.24 = 1,895 : x
  2. Step 2: Convert to fraction form
    3,386.96/4,674.24 = 1,895/x
  3. Step 3: Cross multiply
    3,386.96x = 4,674.24 × 1,895
  4. Step 4: Simplify right side
    3,386.96x = 8,857,684.80
  5. Step 5: Solve for x
    x = 8,857,684.80/3,386.96
  6. Step 6: Final answer
    x = 2,615.23

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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.